CBSE Class 10 Science Carbon And Its Compounds Worksheet Set B

Read and download free pdf of CBSE Class 10 Science Carbon And Its Compounds Worksheet Set B. Students and teachers of Class 10 Science can get free printable Worksheets for Class 10 Science in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 10 students should practice questions and answers given here for Science in Grade 10 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 10 Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems with solutions on daily basis to get more score in school exams and tests

Worksheet for Class 10 Science Chapter 4 Carbon and Its Compound

Class 10 Science students should refer to the following printable worksheet in Pdf for Chapter 4 Carbon and Its Compound in standard 10. This test paper with questions and answers for Grade 10 Science will be very useful for exams and help you to score good marks

Class 10 Science Worksheet for Chapter 4 Carbon and Its Compound

MCQ Questions for NCERT Class 10 Science Carbon And Its Compounds

Question. CH, The IUPAC name of CH-C-CH-CH, is CH,
(a) 2-ethyl-2-methyl propane
(b) 1, 1, 1-trimethyl propane
(c) 2, 2-demethyl butane
(d) 2, 2-methyl butane

Answer : B

Question. Ethane and ethene can be distinguished by
(a) Br2(l)
(b) Br2 (aq) water
(c) Cl2
(d) I2

Answer : B

Question. Carbon exists in the atmosphere in the form of 
(a) carbon monoxide only
(b) carbon monoxide in traces and carbon dioxide
(c) carbon dioxide only
(d) coal

Answer : B

Question. When ethanoic acid is treated with NaHCO^ the gas evolved is
(a) H2
(b) CO2
(c) CH4
(d) CO

Answer : B

Question. The self linkage property (catenation) is maximum in
(a) carbon
(b) silicon
(c) sulphur
(d) phosphorus

Answer : A

Question. A soap molecule has a
(a) hydrophobic head and hydrophobic tail
(b) hydrophobic head and hydrophilic tail
(c) hydrophilic head and hydrophilic tail
(d) hydrophilic head and hydrophobic tail

Answer : D

Question. Ethanol on complete oxidation gives
(a) acetic acid/ethanoic acid
(b) CO2 and water
(c) ethanal
(d) acetone/ethanone

Answer : B

Question. Which of the following will give a pleasant smell of ester when heated with ethanol and a small quantity of sulphuric acid?
(a) CH3COOH
(b) CH3CH2OH
(c) CH3OH
(d) CH3CHO

Answer : A

Question. Name the functional group present in CH3COCH3.
(a) Alcohol
(b) Carboxylic acid
(c) Ketone
(d) Aldehyde

Answer : C

Question. Why does carbon form compounds mainly by covalent bonding?
(a) There are four electrons in the outermost shell of carbon.
(b) It requires large amount of energy to form C4+ or C4sup>4-.
(c) It shares its valence electrons to complete its octet.
(d) All the above.

Answer : D

Question. Which of the following statements are correct for carbon compounds?
(i) Most carbon compounds are good conductors of electricity.
(ii) Most carbon compounds are poor conductors of electricity.
(iii) Force of attraction between molecules of carbon compounds is not very strong.
(iv) Force of attraction between molecules of carbon compounds is very strong.
(a) (ii) and (iv)
(b) (ii) and (iii)
(c) (i) and (iv)
(d) (i) and (iii)

Answer : B

Question. Identify ‘A’ in the following reaction:
CH3COOH + Na2CO3 → A + CO2 + H0O
(a) CH3COONa
(b) CH2(Na)COOH
(c) NaOH
(d) NaHCO3

Answer : A

Question. Which of the following belongs to homologous series of alkynes?
C6H6, C2H6, C2H4, C3H4.
(a) C6H6
(b) C2H4
(C) C2H6
(d) C3H4

Answer : D

Question. A hydrocarbon has four carbon atoms. Give its molecular formula if it is an alkene.
(a) C4H10
(b) C4H8
(C) C4H6
(d) C4H4

Answer : B

Question. The number of isomers of pentane is
(a) 2
(b) 3
(c) 4
(d) 5

Answer : B

Question. In diamond, each carbon atom is bonded to four other carbon atoms to form
(a) a hexagonal array
(b) a rigid three-dimensional structure
(c) a structure in the shape of a football
(d) a structure of a ring

Answer : B

Question. Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of 
(a) helium
(b) neon
(c) argon
(d) krypton

Answer : B

Question. A molecule of ammonia (NH3) has 
(a) only single bonds
(b) only double bonds
(c) only triple bonds
(d) two double bonds and one single bond

Answer : A

Question. Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of
(a) Addition reaction
(b) Substitution reaction
(c) Displacement reaction
(d) Oxidation reaction

Answer : A

Question. A functional group mainly determines the
(a) physical properties
(b) chemical properties
(c) both
(d) none of these

Answer : B

Question. The blindness and death is caused by consuming adultrated liquor contains.
(a) CH3OH
(b) CH3COOH
(c) CH3COCH3
(d) CH3CHO

Answer : A

Question. Structural formula of ethyne is 
(a) CH3−C≡C−H
(b) H−C≡C−H
(c) H2−C=C−H2
(d) H3−C−C−H3

Answer : B

Question. Solubility of alcohol in water is due to
(a) low density of alcohol
(b) volatile nature of alcohol
(c) ionisation
(d) hydrogen bonding

Answer : D

Question. C3H8 belongs to the homologous series of
(a) Alkynes
(b) Alkenes
(c) Alkanes
(d) Cyclo alkanes

Answer : C

Question. Ethanol reacts with sodium and forms two products. These are 
(a) sodium ethanoate and hydrogen
(b) sodium ethanoate and oxygen
(c) sodium ethoxide and hydrogen
(d) sodium ethoxide and oxygen

Answer : C

Question. Statement A: Valerie acid is the common name of hexane.
Statement B: Glycerol is added in the manufacturing of soap. 
(a) Statement A is true and statement B is false
(b) Both the statements A and B are false
(c) Statement B is true and statement A is false
(d) Neither statement A nor statement B is false
 
Answer : B
Explanation: Valeric acid is another name for pentanoic acid, Soaps are sodium or potassium salts of long chain fatty acids. When triglycerides in fat/oil react with aqueous NaOH or KOH, they are converted into soap and glycerol. 
 
Question. How many structural isomers are possible for pentane? 
(a) 2
(b) 1
(c) 4
(d) 3
 
Answer : D 
Explanation: 3 structural isomers are possible for pentane (C5H12). These are n-pentane, iso-pentane and neo-pentane.
 
Question. Which of the following ingredients are not used in making soap? 
(a) Cotton seed oil, KOH
(b) Soyabean oil, Ca(OH)2
(c) Castor oil, NaOH
(d) Mustard oil, NaOH
 
Answer : B 
Explanation: Soap is made by heating animal oil or vegetable oil with concentrated sodium hydroxide solution. Castor oil and NaOH are the ingredients for making soap. Similarly, cotton seed oil and KOH, and mustard oil and NaOH are also the ingredients for making soap. 
 

SOURCE BASED QUESTIONS:

1. One chemical property that all alkanes have in common is that they burn very exothermically. They make good fuels. Controlling their availability and cost can have great political consequences. When they burn in a good supply of air the products are carbon dioxide and water vapour.
Methane + oxygen --------→ carbon dioxide and water
Methane forms the major part of natural gas. Propane and butane burn with very hot flames and are sold as liquefied Petroleum gas. They are kept as liquids under pressure but they vaporize easily when the pressure is released.

i) Why do alkanes make good fuels?
Answer : 
Alkanes react with oxygen to produce CO2 and H2O and a large amount of heat.

ii) What are the constituents of cooking gas?
Answer : 
Propane and butane

iii) Write the balanced equation for the combustion of ethane.
Answer : 
C2H4 + 3O2 -------→ 2CO2 + 2H2O

2 The addition of hydrogen across C =C is known as hydrogenation. Ethene reacts with hydrogen, if the heated gases are passed together over a catalyst nickel ethane is the product.
Hydrogenation reactions similar to the reaction with Ethene are used in the manufacture of margarine from vegetable oils. The vegetable oils of interest
include corn oil and Sunflower oil. They are edible oil and contain long chain organic acids. The hydrocarbon chain of these acids contains one or more C= C
double bonds: they are unsaturated molecules. Oil such as Sunflower oil are rich in poly and saturated molecules. This means that the melting point is relatively low and the oil remains liquid at normal temperature. By hydrogenation some but not all of the C=C double bonds, the liquid vegetable oil can be made into a solid but spreadable fat.
Animal fat tend to be more saturated than vegetable oils and fats. The animal fats in cream can be made into butter. Mini doctors now believe that unsaturated fats are more healthy then saturated fats.

i) Why are corn oil and sunflower oil called unsaturated molecules?
Answer : Corn oil and Sunflower oil contain long chain organic acids with some of the C- C double bonds.

ii) Which is better for human consumption- Animal fat or vegetable fat? Why?
Answer : Vegetable fat as they are unsaturated

iii) How is ethane produced from ethene? Give the equation.
Answer : C2H4 + H2 -nickel--heat---→ C2H6

Very Short Answers :

Question. What is Allotropy?
Answer: It is a property due to which an element can exist in more than one form which differ in physical properties but have similar chemical properties, e.g., carbon, sulphur, phosphorus, oxygen show allotropy.

Question. What are organic Compounds?
Answer: Those compounds which consist of carbon essentially and hydrogen mostly along with other elements like oxygen, sulphur, nitrogen, halogens, etc., are called organic compounds.

Question. What is Vital Force Theory?
Answer: It was proposed that ‘vital force’ is necessary for formation of these organic compounds. They can only be obtained from living organisms.

Question. Which gas is present in biogas and CNG?
Answer: Methane

Question. Name three allotropes of carbon.
Answer: Diamond, graphite and Buckminster fullerenes

Question. Which is the purest allotrope of carbon?
Answer: Buckminster fullerenes.

Question. Why is graphite soft and slippery?
Answer: Due to weak van der Waals’ forces of attraction between hexagonal layers.

Question. Write the molecular formula of first two members of homologous series with functional group —OH. 
Answer: Methanol (CH3OH) and Ethanol (CH3CH2OH).

Question. Why is diamond hard?
Answer: It is due to strong covalent bonds.

Question. What will be the product formed when carbon is burnt in presence of air?
Answer: Carbon dioxide

Question. Give name of one cyclic hydrocarbon.
Answer: Cyclohexane

Question. Covalent compounds have low melting and boiling point. Why? 
Answer : Covalent compounds have low melting and boiling points because they are made up of electrically neutral molecules. So, the force of attraction between the molecules of a covalent
compound is very weak.

Question. Name the compound which is added to synthetic detergent to keep the dust particles suspended in water, and helps in cleansing process. 
Answer :  CMC : Carboxymethylcellulose is added to synthetic detergent to keep the dust particles suspended in water, and helps in cleansing process.

Question. Write the molecular formula of the first two members of the homologous series having functional group —COOH. 
Answer : The molecular formula of the first two members of the homologous series having functional group —COOH is HCOOH and CH3COOH

Question. What is the difference in the molecular mass of any two adjacent homologues?
Answer : Two successive homologues would differ by one carbon atom and two hydrogen atoms in terms of atoms in their molecules and thus differ by 14 amu in terms of molecular mass.

Question. What is an unsaturated hydrocarbon? Give two examples. 
Answer :  A hydrocarbon in which at least two carbon atoms are joined by a double (=) or a triple ( ≡ ) bond, is called an unsaturated compound.
e.g. ethane and ethyne (or acetylene) are unsaturated hydrocarbons.
Example: (i) CH2 = CH2

Question. Write the molecular formula of (i) Methane and (ii) Ethanol. 
Answer : The molecular formula of
(i) Methane: CH4
(ii) Ethanol: C2H5OH

Short Answers :

Question. Explain, giving reason, why carbon neither forms C4+ cations nor C4– anions, but forms covalent compounds which are bad conductors of electricity and have low melting point and low boiling point.
Answer : Carbon could form C4+ cation by losing four electrons, but it would require a large amount of energy to remove four electrons leaving behind a carbon cation with six protons in its nucleus holding on to just two electrons. Carbon could form C4– anion by gaining four electrons, but it would be diffcultforthenucleus with six protons to hold on to ten electrons, that is, four extra electrons. Therefore, carbon forms covalent bonds with other atoms by sharing electron pairs and in this process both atoms attain the noble gas configuration. Covalent compounds are generally poor conductors of electricity since the electrons are shared between atoms and no charged particles are formed. Covalent compounds have generally low melting and boiling points as the intermolecular forces are weak.

Question. What are the two properties of carbon which lead to the huge number of carbon compounds we see around us?
Answer : Carbon form large number of compounds due to the following properties:
(a) Catenation → Carbon shows the property of catenation that is the ability to form bonds with other carbon atoms forming long chains both branched and unbranched chains, and even rings.
(b) Tetravalency → Carbon has valency 4, it is capable of bonding with 4 other carbon atoms or atoms of other non-covalent elements, giving rise to compounds with specific properties depending on the elements present in the compound.
(c) Isomerism → Carbon compounds show the property of isomerism that is compounds having same molecular formula but different structural formula.

Question. How would you distinguish experimentally between an alcohol and a carboxylic acid?
Answer : (a) Acid test: Reaction with carbonates/hydrogen carbonates. Take samples of alcohol and carboxylic acid in 2 test tubes, and add sodium carbonate or sodium bicarbonate solution to each. The compound which will produce brisk effervescence of CO2 gas will be acid.
(b) Alcohol test: Take small amount of ethanol and ethanoic acid in test tube A and B. Add 5% solution of alkaline potassium permanganate drop by drop to this solution and warm the test tube.
The colour of potassium permanganate will disappear in test tube containing alcohol.

Question. Draw the structures for the following compounds.
(i) Ethanoic acid (ii) Bromopentane
(iii) Butanone (iv) Hexanal Are structural isomers possible for bromopentane?
Answer : 

""CBSE-Class-10-Science-Carbon-and-its-compounds-Assignment-11

Question. What are oxidising agents?
Answer : The compounds which add oxygen to other substance are known as oxidising agent.
For example, alkaline potassium permanganate solution and acidified potassium dichromate, both can convert alcohol into carboxylic acid, i.e., ethanoic acid.

""CBSE-Class-10-Science-Carbon-and-its-compounds-Assignment-14

Question. How would you name the following compounds:

""CBSE-Class-10-Science-Carbon-and-its-compounds-Assignment-12

Answer : (i) Bromo ethane (ii) Methanal
(iii) Hex-1-yne

Question. Why is the conversion of ethanol to ethanoic acid an oxidation reaction?
Answer : Conversion of ethanol to ethanoic acid is an oxidation reaction because oxygen is added to ethanol to convert it to ethanoic acid.

""CBSE-Class-10-Science-Carbon-and-its-compounds-Assignment-13

In the above reaction alk. KMnO4/acidified K2Cr2O7 add oxygen to ethanol hence they are called oxidising agent.

Question. A mixture of oxygen and ethyne is burnt for welding. Can you tell why a mixture of ethyne and air is not used?
Answer : If air is used, incomplete combustion will take place giving a sooty flame and less heat is produced. When pure oxygen is used ethyne burns completely producing large amount of heat and blue flame. This heat is sufficient for a metal to melt and welding is done.

Question. How many structural isomers can you draw for pentane?
Answer : Three structural isomers can be drawn from pentane.
Pentane : C5H12

""CBSE-Class-10-Science-Carbon-and-its-compounds-Assignment-9

Question. What would be the formula and electron dot structure of cyclopentane?
Answer : The formula of cyclopentane is C5H10.
The electron dot structure is

""CBSE-Class-10-Science-Carbon-and-its-compounds-Assignment-10

Question. Would you be able to check if water is hard by using detergent?
Answer : No, because detergent forms lather in both, hard and soft water.

Question. What would be the electron dot structure of carbon dioxide which has the formula CO2?
Answer : The electron dot structure of CO2 is

Question. People use variety of methods to wash clothes. Usually after adding the soap, they ‘beat’ the clothes on a stone, or beat it with a paddle, scrub with a brush or the mixture is agitated in a washing machine. Why is agitation necessary to get clean clothes?
Answer : Soap lowers the surface tension of water. The long chain non-ionic hydrocarbon group in soap gets attached to the oil or grease droplets and loosens them from the fibres of cloth along with the dirt. However this loosening is insufficient to remove the grease with dirt completely. Hence the clothes are agitated to remove the grease droplets completely.

Question. Unsaturated hydrocarbons contain multiple bonds between the two c-atoms and show addition reaction. Give the test to distinguish ethane from ethene. 
Answer : To distinguish between saturated and unsaturated hydrocarbons, a combustion test should be performed. A saturated hydrocarbon undergoes complete combustion and burns with blue flame. Also, it does not leave any residue behind after burning. On the contrary, an unsaturated hydrocarbon undergoes incomplete combustion and burns with yellow flame. Also, it leaves some residue behind after burning. Ethane is a saturated hydrocarbon. Thus, it burns with a blue flame and does not leave a residue behind. Ethene is an unsaturated hydrocarbon. Thus, it burns with a yellow flame and leaves some residue behind.

Question. Why does carbon become stable after sharing four electrons? What type of bond is formed by sharing? 
Answer : The element carbon has atomic number as ' and its electronic configuration is 2,4 and it is tetravalent. Thus, carbon has 4 valence electrons. It can neither gain nor lose 4 electron to acquire the nearest noble gas configuration. Only way is to share the four valence electrons with the electrons of other atoms The type of bond formed by sharing of electrons is covalent bond.

Question. Catenation is the ability of an atom to form bonds with other atoms of the same element. It is exhibited by both carbon and silicon. Compare the ability of the catenation of the two elements. Give reasons.
Answer : Catenation is the ability of an atom to form bonds with other atoms of the same element. It is exhibited by both carbon and silicon. Carbon exhibits catenation much more than silicon in- fact no other element exhibits the property of catenation to the extent seen in carbon compounds. Silicon forms compounds with hydrogen which have chains of upto seven or eight atoms, but these compounds are very reactive. The carbon- carbon bond is very strong and hence stable. This gives us the large number of compounds with many carbon atoms linked to each other. Carbon has a valency of four and it is capable of bonding with four other atoms of carbon or atoms of some other mono-valent element. The bonds formed by carbon atoms are very strong and do not break easily so carbon compounds are stable.

Question. What are covalent compounds? How are they different from ionic compounds? List any two properties of covalent compounds.
Answer : Covalent compounds are the compounds formed by the sharing of electron pairs between two atoms. Covalent compounds have covalent bonds between atoms. Ionic compounds are formed due to strong electrostatic interactions between ions formed by the transfer of electrons. Ionic compounds have ionic or electrovalent bonds between atoms. Properties of covalent compounds: (1) These compounds have low melting and boiling points. (2) They are generally poor conductors of electricity. (3) Covalent compounds are usually insoluble in water.

Question. What is a homologous series of carbon compounds? List its any two characteristics. Write the name and formula of the next higher homologous of HCOOH.
Answer : Homologous series is a series of carbon compounds in which the hydrogen in a carbon chain is replaced by the same functional group. Characteristics of homologous series are: (1) All members of a homologous series can be represented by the same general formula. For ex, the general formula for alkanes is CnH2n+2, where n is the number of carbon atoms. (2) They have similar chemical properties. (3) Any two adμacent homologues differ by CH2 in their molecular formula. (4) The difference in the molecular masses of any two adjacent homologues is 14 u. (μ) All the compounds belonging to the same homologous series have similar chemical properties. (6) The members of a homologous series show a gradual change in their physical properties with increase in molecular mass.

Question. A student reports the police about the illegal vending of alcohol near his school. He also knew about denatured alcohol. 
i. What is denatured alcohol?
ii. What would happen if somebody consumes denatured alcohol?
Answer :  i. Denatured alcohol is ethanol made unfit for human consumption by adding one or more chemicals (denaturants) to it. Denaturing refers to removing a property from the alcohol (being able to drink it), not to chemically altering or decomposing it, so denatured alcohol contains ordinary ethyl alcohol.
ii. If someone consumes denatured alcohol, it results in coagulation of protoplasm causing acute nausea, blindness and even death.

Question. Intake of small quantity of methanol can be lethal. Comment. 
Answer :  Methanol (CH3OH) is oxidised to methanal (HCHO) in the liver.
2CH3OH + O→ 2HCHO + 2H2
Methanal (HCHO) reacts rapidly with the components of body cells. It causes the protoplasm of the cells to coagulate. It also affects the optic nerve and causes blindness. Therefore, intake of small quantity of methanol can be lethal. 

 

Long Answers :

 

Question. An organic compound ‘X’ with a molecular formula C2H6O undergoes oxidation in the presence of alkaline KMnO4 and forms the compound ‘Y’.
a) Identify ‘X’ and ‘Y’.

b) Write your observation when the compound ‘X’ is made to react with compound ‘Y’ which is used as a preservative for pickles.
Answer : 
a) X is ethanol and Y is ethanoic acid
b) C2H5OH + CH3COOH ------Conc. H2SO4-----→ CH3COOC2H5 + H2O

Question. What is the difference between soaps and detergents? State in brief the cleansing action of soaps in removing an oily spot from a fabric. Why are soaps not effective when a fabric is washed in hard water? How can this problem be resolved?
Answer : 
a) Soaps are the sodium or potassium salts of higher fatty acids. Synthetic detergents are the sodium salts of a long chain alkyl benzene sulphonic acids or long chain alkyl hydrogen sulphates. soap molecule contains a polar part (COO–Na+) called polar end and a non-polar part consisting of a long chain carbon atom. This part is called hydrocarbon end.
The polar end is water soluble whereas hydrocarbon part is water-repellent and oil soluble. When an oily (dirty) piece of cloth is put into soap solution, the hydrocarbon part of the molecule attaches itself to the oily drop and the -COO– end orients itself towards water. Na+ ions in solution arrange themselves around the -COO– ions. The negatively charged micelle so formed entraps the oily dirt. The negatively charged micelle repel each other due to the electrostatic repulsion. As a result, the tiny oily dirt particles do not come together and get washed away in water during rinsing. In hard water, soap does not form lather as hard water contains Ca2+and Mg2+ ions. Soap reacts with these ions to form insoluble calcium and magnesium salts of fatty acids.
Detergents can form lather well even in hard water as they do not form insoluble calcium or magnesium salts.

Question. 6.1ml glacial acetic acid and 1ml of ethanol are mixed together in a test tube. Few drops of concentrated sulphuric acid are added in the mixture are warmed in a water bath for 5 min
a) Name the resultant compound formed.
b) Represent the above change by a chemical equation. 
c) What term is given to such a reaction.
d) What are the special characteristics of the compound formed?
Answer : 
a) It gives an ester called ethyl ethanoate.
b) C2H5OH + CH3COOH ------Conc. H2SO4-----→ CH3COOC2H5 + H2O
c) Esterification reaction
d) It is sweet smelling. It is used in perfumes and as a flavouring agent.

 
Question. i. How is vinegar made?
ii. What is glacial acetic acid? What is its melting point?
iii. Why is butanoic acid a weak acid?
iv. Write the name and the formula of the two compounds formed when the ester, CH3COOC2H5 undergoes saponification. 
Answer :  i. vinegar is made by adding 5-8 percent of water in acetic acid.
ii. Pure ethanoic acid is called glacial acetic acid because it form crystals at low temperature. It is a strong acid.
iii. Butanoic acid is a weak acid because it does not ionise completely.
iv. It is a reaction in which ester is heated in presence of a base (mainly NaOH) to give out ethanol & ethanoic acid, this process is used in making of soap.
A-10
Ethyl Ethanoate Ethanoic acid Ethanol
 
 
Question : Name the following compounds. 
Answer :  According to the question, Given compounds are
 
Ma-20
 
Ma-21 
 
 

1. Name of the organic compound, which can be produced by fermentation of sugar and is a constituent of beer.

2. Name the main products formed when :

(i) Ethanol is oxidized by an alkaline solution of KMnO4

(ii) Ethanol is heated with conc. H2SO4

3. What is denatured alcohol

4. Name the product formed besides soap that is obtained during saponification process.

5. The molecular formula of the consecutive members of a homologous are C6H14 and C7H16. Write the molecular formulae of members having

9 and 11 carbon atoms of this homologous series.

6. Write the names of functional groups present in (a) ethanol (b) ethanoic acid.

7. The structural formula of an ester is C2H5COOH3

Write the molecular formula of the alcohol and acid from which it would have been formed.

8. The molecular formulae of two members of a homologous series are C3H4 and C6H10

9. Which of the following belonging to the same homologous series ? Why ? C3H8, C3H6, C4H8, C4H6.

10. What are addition reactions ? Give example

11. What is the difference between two consecutive members of a homologous series.

(i) in terms of molar mass

(ii) in terms of number and kind of atoms ?

12. Complete the equation :C2H5COOH + NaOH heat→

13. What type of bounds are present in hydrocarbons ? Why are they insoluble in water ?

 

 

 
 

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Yes, worksheets for Chapter 4 Carbon and Its Compound Class 10 Science are available in multiple languages, including English, Hindi