CBSE Class 10 Science Acids Bases and Salts MCQs Set B

Practice CBSE Class 10 Science Acids Bases and Salts MCQs Set B provided below. The MCQ Questions for Class 10 Chapter 2 Acids, Bases and Salts Science with answers and follow the latest CBSE/ NCERT and KVS patterns. Refer to more Chapter-wise MCQs for CBSE Class 10 Science and also download more latest study material for all subjects

MCQ for Class 10 Science Chapter 2 Acids, Bases and Salts

Class 10 Science students should review the 50 questions and answers to strengthen understanding of core concepts in Chapter 2 Acids, Bases and Salts

Chapter 2 Acids, Bases and Salts MCQ Questions Class 10 Science with Answers

Question : When a bee stings, immediately a paste of lime is put on the sting. Why?
a) Bee sting contains an acid called formic aci It gets neutralised with CaO .
b) Bee sting is made of a base
c) Bee sting is acidic due to hydrochloric acid and this is neutralised
d) All of the above.
Answer : A

Question : Why does dry HCl gas not change the colour of the dry litmus paper?
a) No H3O+ ions will be present, litmus changes colour only in the presence of H3O+ ions
b) Blue litmus becomes dry in presence of dry HCl gas
c) HCl gas acts asa dehydrating agent
d) None of the options
Answer : A

Question : How is the concentration of hydronium ions (H3O+) affected when a solution of an acid is diluted?
a) Increases
b) Decreases
c) Remains the same
d) Becomes zero
Answer : A

Question : A calcium compound reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. Identify the compound and the gas evolve
a) Calcium Carbonate, Carbon dioxide
b) Calcium chloride, carbondioxide
c) Calcium oxide, hydrogen
d) Calcium carbonate, hydrogen
Answer : A

Question : Acids react with bases to form salt and water. This reaction is known as:
a) Neutralisation
b) Combination
c) Decomposition
d) reduction
Answer : A

Question : The milkiness (on passing excess carbondioxide gas through lime water) disappears due to the formation of:
a) Calcium hydrogen carbonate CaHCO3
b) Calcium carbonate CaCO3
c) Calcium oxide CaO
d) Calcium Nitrate Ca(NO3)2
Answer : A

Question : Lime water turns milky when carbon dioxide is passed due to the formation of ______.
a) CaCO3
b) CaO
c) CO2
d) CaSO4
Answer : A

Question : Acids react with metal carbonates to liberate ______ gas
a) Carbon dioxide
b) Carbon monoxide
c) Hydrogen
d) Water
Answer : A

Question : Acids react with metals to liberate _________gas
a) Hydrogen
b) Carbon dioxide
c) Carbon monoxide
d) Water
Answer : A

Question : You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. Which of them will turn red litmus to blue.
a) Base
b) Acid
c) Water
d) All of the above
Answer : A

Question : You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. Which of them will turn red litmus to blue.
a) Acid
b) Base
c) Water
d) All of the above
Answer : B
 
Question : Acids react with metals to liberate _________gas
a) Carbon dioxide
b) Carbon monoxide
c) Hydrogen
d) Water
Answer : C
 
Question : Acids react with metal carbonates to liberate ______ gas
a) Carbon dioxide
b) Carbon monoxide
c) Hydrogen
d) Water
Answer : A
 
Question : Lime water turns milky when carbon dioxide is passed due to the formation of ______.
a) CaCO3
b) CaO
c) CO2
d) CaSO4
Answer : A
 
Question : The milkiness (on passing excess carbondioxide gas through lime water) disappears due to the formation of:
a) Calcium carbonate CaCO3
b) Calcium hydrogen carbonate CaHCO3
c) Calcium oxide CaO
d) Calcium Nitrate Ca(NO3)2
Answer : B
 
Question : Acids react with bases to form salt and water. This reaction is known as:
a) Combination
b) Decomposition
c) Neutralisation
d) reduction
Answer :  C
 
Question : A calcium compound reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. Identify the compound and the gas evolved)
a) Calcium Carbonate, Carbon dioxide
b) Calcium chloride, carbondioxide
c) Calcium oxide, hydrogen
d) Calcium carbonate, hydrogen
Answer :  A
 
Question : How is the concentration of hydronium ions (H3O+) affected when a solution of an acid is diluted?
a) Increases
b) Decreases
c) Remains the same
d) Becomes zero
Answer : A
 
Question : Why does dry HCl gas not change the colour of the dry litmus paper?
a) Blue litmus becomes dry in presence of dry HCl gas
b) No H3O+ ions will be present, litmus changes colour only in the presence of H3O+ ions
c) HCl gas acts asa dehydrating agent
d) None of the above
Answer : B
 
Question : When a bee stings, immediately a paste of lime is put on the sting. Why?
a) Bee sting is made of a base
b) Bee sting contains an acid called formic acid) It gets neutralised with CaO .
c) Bee sting is acidic due to hydrochloric acid and this is neutralised
d) All of the above.
Answer : B
 
Question : An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change ?
a) Baking power 
b) Lime
c) Ammonium hydroxide solution 
d) Hydrochloric acid
Answer : D
 
Question : Which one of the following can be used as an acid-base indicator by a visually impaired (blind) student?
a) Litmus 
b) Turmeric 
c) Vanilla essence 
d) Petunia leaves
Answer : C
 
Question : Which of the following is acidic in nature ?
a) Lime juice 
b) Human blood 
c) Lime water 
d) Antacid
Answer : A
 
Question : In an attempt to demonstrate electrical conductivity through an electrolyte, the following apparatus was set up Which among the following statement(s) is (are) correct?
(i) Bulb will not glow because electrolyte is not acidic
(ii) Bulb will glow because NaOH is a strong base and furnishes ions for conduction.
(iii) Bulb will not glow because circuit is incomplete.
(iv) Bulb will not glow because it depends upon the type of electrolytic solution.
a) (i) and (iii)
b) (ii) and (iv) 
c) (ii) only 
d) (iv) only
Answer : B
 
Question : Which of the following is not a mineral acid ?
a) Hydrochloric acid 
b) Citric acid 
c) Sulphuric acid 
d) Nitric acid
Answer : B
 
Question : Which among the following is not a base ?
a) NaOH 
b) KOH 
c) NH4OH 
d) C2H5OH
Answer : D
 
Question : Which of the following is(are) true when HCl(g) is passed through water ?
(i) It does not ionize in the solution as it is a covalent compound)
(ii) It ionizes in the solution.
(iii) It gives both hydrogen and hydroxyl ion in the solution.
(iv) It forms hydronium ion in the solution due to the combination of hydrogen ion with water molecule.
a) (i) only 
b) (iii) only 
c) (ii) and (iv) 
d) (iii) and (iv)
Answer : C
 
Question : Which of the following statements is true for acids ?
a) Bitter and change red litmus to blue. 
b) Sour and change red litmus to blue.
c) Sour and change blue litmus to red) 
d) Bitter and change blue litmus to red)
Answer : C
 
Question : Which of the following are present in a dilute aqueous solution of hydrochloric acid ?
a) H3O+ + Cl– 
b) H3O+ + OH– 
c) Cl– + OH– 
d) unionised HCl
Answer : A
 
Question : Which of the following statement is not correct?
a) Acids turn blue litmus solution red
b) Raw onion can be used as olfactory indicator to check acid or base.
c) Bases are sour in taste.
d) Vanilla essence does not give odour in strongly basic solutions.
Answer : C
 
Question : What happens when a solution of an acid is mixed with a solution of a base in a test tube ?
(i) The temperature of the solution increases.
(ii) The temperature of the solution decreases.
(iii) The temperature of the solution remains the same.
(iv) Salt formation takes place.
a) i only 
b) i and iii 
c) ii and iii 
d) i and iv
Answer : D
 
Question : A sample of soil is mixed with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish orange. Which of the following would change the colour of this pH paper to greenish-blue ?
a) lemon juice 
b) vinegar 
c) common salt 
d) an antacid
Answer : D
 
Question : Which of the following gives the correct increasing order of acidic strength ?
a) Water < Acetic acid < Hydrochloric acid
b) Water < Hydrochloric acid < Acetic acid
c) Acetic acid < Water < Hydrochloric acid
d) Hydrochloric acid < Water < Acetic acid
Answer : A
 
Question : If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done?
a) Wash the hand with saline solution.
b) Wash the hand immediately with plenty of water and apply paste of sodium hydrogen carbonate.
c) After washing with plenty of water, applies solution of sodium hydroxide on the hand)
d) Neutralize the acid with a strong alkali.
Answer : B
 
Question : Sodium hydrogen carbonate when added to acetic acid evolves a gas. Which of the following statements are true about the gas evolved?
(i) It turns lime water milky
(ii) It extinguishes a burning splinter
(iii) It dissolves in a solution of sodium hydroxide
(iv) It has a pungent odour
a) i and ii 
b) i, ii and iii 
c) ii, iii and iv 
d) i and iv
Answer : B
 
Question : To protect tooth decay we are advised to brush our teeth regularly. The nature of the toothpaste commonly used is
a) acidic 
b) neutral 
c) basic 
d) corrosive
Answer : C
 
Question : Which of the following statements is correct about an aqueous solution of an acid and of a base?
(i) Higher the pH, stronger the acid
(ii) Higher the pH, weaker the acid
(iii) Lower the pH, stronger the base
(iv) Lower the pH, weaker the base
a) i and iii
b) ii and iii
c) i and iv
d) ii and iv
Answer : D
 
Question : The pH of the gastric juices released during digestion is
a) less than 7 
b) more than 7 
c) equal to 7 
d) equal to 0
Answer : A
 
Question : Equal volumes of hydrochloric acid and sodium hydroxide solutions of same concentration are mixed and the pH of the resulting solution is checked with a pH paper. What would be the colour obtained ?
(You may use color guide given in figure) : 
a) Red 
b) Yellow 
c) Yellowish green 
d) Blue
Answer : C
 
Question : pH of a solution having hydrogen ion concentration of 1M is
a) 0 
b) 1 
c) 10 
d) 14
Answer : A
 
Question : During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to 
a) absorb the evolved gas 
b) moisten the gas
c) absorb moisture from the gas 
d) absorb Cl– ions from the evolved gas
Answer : C
 
Question : Which of the following salts does not contain water of crystallization ?
a) Blue vitriol 
b) Baking soda 
c) Washing soda 
d) Gypsum
Answer : B
 
Question : Sodium carbonate is a basic salt because it is a salt of
a) strong acid and strong base 
b) weak acid and weak base
c) strong acid and weak base 
d) weak acid and strong base
Answer : D
 
 
Question : Common salt besides being used in kitchen can also be used as the raw material for making
(i) washing soda (ii) bleaching power (iii) baking soda (iv) slaked lime
a) i and ii 
b) i, ii and iv 
c) i and iii 
d) i, iii and iv
Answer : C
 
Question : One of the constituents of baking powder is sodium hydrogen carbonate, the other constituent is
a) hydrochloric acid 
b) tartaric acid 
c) acetic acid 
d) sulphuric acid
Answer : B
 
Question : Identify the correct representation of reaction occurring during chlor-alkali process.
a) 2NaCl(l) + 2H2O(l) →2NaOH(l) + Cl2(g) + H2(g)
b) 2NaCl(aq) + 2H2O(aq) → 2NaOH(aq) + Cl2(g) + H2(g)
c) 2NaCl(aq) + 2H2O(l) →2NaOH(aq) + Cl2(aq) + H2(aq)
d) 2NaCl(aq) + 2H2O(l) →2NaOH(aq) + Cl2(g) + H2(g)
Answer : D
 
Question : Metal hydrogen carbonates react with acids to give
a) salt, water, chlorine 
b) salt, water and carbon dioxide
c) salt and carbon dioxide 
d) salt, hydrogen and carbon dioxide
Answer : B
 
Question : Bleaching powder is:
a) CaO2Cl2 
b) CaOCl2 
c) CaClO2 
d) CaCl2 + O2
Answer : B
 
Question : Plaster of Paris is:
a) CaSO4 
b) CaSO4.H2O 
c) CaSO4.2H2O 
d) CaSO4. 1/2 H2O
Answer : D
 

ASSERTION-REASON TYPE QUESTIONS

The following questions consist of two statements – Assertion (A) and Reason (R).
Answer these questions selecting the appropriate option given below:
A. Both A and R are true, and R is the correct explanation of A
B. Both A and R are true, and R is not the correct explanation of A
C. A is true but R is false
D. A is False but R is true

Question. Assertion (A): The aqueous solutions of glucose and alcohol do not show acidic character.
Reason (R): Aqueous solutions of glucose and alcohol do not give H+ ions
Answer : A

Question. Assertion (A): On heating, colour of hydrated copper sulphate changes from blue to white.
Reason (R) :On strong heating , Copper sulphate crystals lose all the water of crystallization and form anhydrous salt.
Answer : A

Question. Assertion (A): Water must always be added to acid with constant stirring.
Reason (R): Mixing of an acid with water decreases the concentration of H+ ions per unit volume
Answer : B

Question. Assertion (A): HCl gas does not change the colour of dry blue litmus paper.
Reason (R): HCl gas dissolves in the water present in wet litmus paper to form H+ ions
Answer : C

Question. Assertion (A): Baking powder is used in making cake instead of using only baking soda.
Reason (R): Baking powder contains tartaric acid which reacts with sodium carbonate and removes bitter taste.
Answer : A

 

CASE STUDY TYPE QUESTIONS

A copper vessel gets tarnished due to formation of an oxide layer on its surface. On rubbing lemon on the vessel, the surface is cleaned, and the vessel begins to shine again. This is due to the fact that which reacts with the acid present in lemon to form a salt which is washed away with water. As a result, the layer of copper oxide is removed from the surface of the vessel and the shining surface is exposed.

Question. Which of the following acids is present lemon?
(a) Formic acid
(b) Acetic acid
(c) Citric acid
(d) Hydrochloric acid
Answer : C

Question. The nature of copper oxide is
(a) acidic
(b) basic
(c) neutral
(d) amphoteric
Answer : B

Question. Name the salt formed in the above reaction
(a) copper carbonate
(b) copper chloride
(c)copper citrate
(d) copper citrate
Answer : D

Question. The phenomenon of copper getting tarnished is
(a) corrosion
(b) rancidity
(c) displacement
(d) none of these
Answer : A

Chapter 01 Chemical Reactions and Equations
CBSE Class 10 Science Chemical Reactions and Equations MCQs Set A
CBSE Class 10 Science Chemical Reactions and Equations MCQs Set B
CBSE Class 10 Science Chemical Reactions and Equations MCQs Set C
CBSE Class 10 Science Chemical Reactions and Equations MCQs Set D
CBSE Class 10 Science Chemical Reactions and Equations MCQs Set E
CBSE Class 10 Science Chemical Reactions and Equations MCQs Set F
CBSE Class 10 Science Chemical Reactions and Equations MCQs Set G
CBSE Class 10 Science Chemical Reactions and Equations MCQs Set H
Chapter 02 Acids, Bases and Salts
CBSE Class 10 Science Acids Bases and Salts MCQs Set A
CBSE Class 10 Science Acids Bases and Salts MCQs Set B
CBSE Class 10 Science Acids Bases and Salts MCQs Set C
CBSE Class 10 Science Acids Bases and Salts MCQs Set D
CBSE Class 10 Science Acids Bases and Salts MCQs Set E
CBSE Class 10 Science Acids Bases and Salts MCQs Set F
CBSE Class 10 Science Acids Bases and Salts MCQs Set G
CBSE Class 10 Science Acids Bases and Salts MCQs Set H
CBSE Class 10 Science Case Study Questions Acids Bases and Salts MCQs
Chapter 03 Metals and Nonmetals
CBSE Class 10 Science Case Study Questions Metals and Non metals MCQs
CBSE Class 10 Science Metals and Non Metals MCQs Set A
CBSE Class 10 Science Metals and Non Metals MCQs Set B
CBSE Class 10 Science Metals and Non Metals MCQs Set C
CBSE Class 10 Science Metals and Non Metals MCQs Set D
CBSE Class 10 Science Metals and Non Metals MCQs Set E
CBSE Class 10 Science Metals and Non Metals MCQs Set F
CBSE Class 10 Science Metals and Non Metals MCQs Set G
CBSE Class 10 Science Metals and Non Metals MCQs Set H
Chapter 04 Carbon and its Compounds
CBSE Class 10 Science Carbon and its Compounds MCQs Set A
CBSE Class 10 Science Carbon and its Compounds MCQs Set B
CBSE Class 10 Science Carbon and its Compounds MCQs Set C
CBSE Class 10 Science Carbon and its Compounds MCQs Set D
CBSE Class 10 Science Carbon and its Compounds MCQs Set E
CBSE Class 10 Science Carbon and its Compounds MCQs Set F
CBSE Class 10 Science Carbon and its Compounds MCQs Set G
CBSE Class 10 Science Carbon and its Compounds MCQs Set H
CBSE Class 10 Science Carbon and its Compounds MCQs Set I
CBSE Class 10 Science Case Study Questions Carbon and its Compounds MCQs
Chapter 05 Life Processes
CBSE Class 10 Biology Case Study Questions Life Processes MCQs
CBSE Class 10 Biology Life Processes MCQs Set A
CBSE Class 10 Biology Life Processes MCQs Set B
CBSE Class 10 Biology Life Processes MCQs Set C
CBSE Class 10 Biology Life Processes MCQs Set D
CBSE Class 10 Biology Life Processes MCQs Set E
CBSE Class 10 Biology Life Processes MCQs Set F
CBSE Class 10 Biology Life Processes MCQs Set G
CBSE Class 10 Biology Life Processes MCQs Set H
CBSE Class 10 Biology Life Processes MCQs Set I
CBSE Class 10 Biology Life Processes MCQs Set J
CBSE Class 10 Biology Life Processes MCQs Set K
Chapter 06 Control and Coordination
CBSE Class 10 Biology Control and Coordination MCQs Set A
CBSE Class 10 Biology Control and Coordination MCQs Set B
CBSE Class 10 Biology Control and Coordination MCQs Set C
CBSE Class 10 Biology Control and Coordination MCQs Set D
Chapter 07 How do Organisms Reproduce
CBSE Class 10 Biology How do Organisms Reproduce MCQs Set A
CBSE Class 10 Biology How do Organisms Reproduce MCQs Set B
CBSE Class 10 Biology How do Organisms Reproduce MCQs Set C
CBSE Class 10 Biology How do Organisms Reproduce MCQs Set D
CBSE Class 10 Biology How do Organisms Reproduce MCQs Set E
CBSE Class 10 Biology How do Organisms Reproduce MCQs Set F
CBSE Class 10 Biology How do Organisms Reproduce MCQs Set G
CBSE Class 10 Biology How do Organisms Reproduce MCQs Set H
CBSE Class 10 Biology How do Organisms Reproduce MCQs Set I
Chapter 08 Heredity
CBSE Class 10 Science Heredity and Evolution MCQs Set A
CBSE Class 10 Science Heredity and Evolution MCQs Set B
CBSE Class 10 Science Heredity and Evolution MCQs Set C
CBSE Class 10 Science Heredity and Evolution MCQs Set D
CBSE Class 10 Science Heredity and Evolution MCQs Set E
CBSE Class 10 Science Heredity and Evolution MCQs Set F
CBSE Class 10 Science Heredity and Evolution MCQs Set G
CBSE Class 10 Science Heredity and Evolution MCQs Set H
CBSE Class 10 Science Case Study Questions Heredity and Evolution MCQs
Chapter 09 Light Reflection and Refraction
CBSE Class 10 Physics Case Study Questions Light Reflection and Refraction MCQs
CBSE Class 10 Physics Light Reflection and Refraction MCQs Set A
CBSE Class 10 Physics Light Reflection and Refraction MCQs Set B
CBSE Class 10 Physics Light Reflection and Refraction MCQs Set C
CBSE Class 10 Physics Light Reflection and Refraction MCQs Set D
CBSE Class 10 Physics Light Reflection and Refraction MCQs Set E
CBSE Class 10 Physics Light Reflection and Refraction MCQs Set F
CBSE Class 10 Physics Light Reflection and Refraction MCQs Set G
CBSE Class 10 Physics Light Reflection and Refraction MCQs Set H
CBSE Class 10 Physics Light Reflection and Refraction MCQs Set I
CBSE Class 10 Physics Light Reflection and Refraction MCQs Set J
Chapter 10 The Human Eye and the Colourful World
CBSE Class 10 Science Case Study Questions The Human Eye and the Colourful World MCQs
CBSE Class 10 Science The Human Eye and the Colourful World MCQs Set A
CBSE Class 10 Science The Human Eye and the Colourful World MCQs Set B
CBSE Class 10 Science The Human Eye and the Colourful World MCQs Set C
CBSE Class 10 Science The Human Eye and the Colourful World MCQs Set D
CBSE Class 10 Science The Human Eye and the Colourful World MCQs Set E
CBSE Class 10 Science The Human Eye and the Colourful World MCQs Set F
CBSE Class 10 Science The Human Eye and the Colourful World MCQs Set G
Chapter 11 Electricity
CBSE Class 10 Physics Case Study Questions Electricity MCQs
CBSE Class 10 Physics Electricity MCQs Set A
CBSE Class 10 Physics Electricity MCQs Set B
CBSE Class 10 Physics Electricity MCQs Set C
CBSE Class 10 Physics Electricity MCQs Set D
CBSE Class 10 Physics Electricity MCQs Set E
CBSE Class 10 Physics Electricity MCQs Set F
CBSE Class 10 Physics Electricity MCQs Set G
CBSE Class 10 Physics Electricity MCQs Set H
CBSE Class 10 Physics Electricity MCQs Set I
Chapter 12 Magnetic Effects of Electric Current
CBSE Class 10 Science Case Study Questions Magnetic Effects of Electric Current MCQs Set E
CBSE Class 10 Science Magnetic Effects of Electric Current MCQs Set A
CBSE Class 10 Science Magnetic Effects of Electric Current MCQs Set B
CBSE Class 10 Science Magnetic Effects of Electric Current MCQs Set C
CBSE Class 10 Science Magnetic Effects of Electric Current MCQs Set D
CBSE Class 10 Science Magnetic Effects of Electric Current MCQs Set E
CBSE Class 10 Science Magnetic Effects of Electric Current MCQs Set F
CBSE Class 10 Science Magnetic Effects of Electric Current MCQs Set G
Chapter 13 Our Environment
CBSE Class 10 Biology Case Study Questions Our Environment MCQs
CBSE Class 10 Biology Our Environment MCQs Set A
CBSE Class 10 Biology Our Environment MCQs Set B
CBSE Class 10 Biology Our Environment MCQs Set C
CBSE Class 10 Biology Our Environment MCQs Set D
CBSE Class 10 Biology Our Environment MCQs Set E
CBSE Class 10 Biology Our Environment MCQs Set F
CBSE Class 10 Biology Our Environment MCQs Set G
CBSE Class 10 Biology Our Environment MCQs Set H
Chapter 16 Sustainable Management of Natural Resources
CBSE Class 10 Biology Management of Natural Resources MCQs Set A
CBSE Class 10 Biology Management of Natural Resources MCQs Set B
CBSE Class 10 Biology Management of Natural Resources MCQs Set C
CBSE Class 10 Biology Management of Natural Resources MCQs Set D
CBSE Class 10 Biology Management of Natural Resources MCQs Set E
More MCQ Questions Class 10 Science
CBSE Class 10 Biology MCQs All Chapters Set B
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CBSE Class 10 Physics MCQs All Chapters Set B
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NSO Olympiad
CBSE Class 10 Science NSO Olympiad MCQs with Answers Set A
CBSE Class 10 Science NSO Olympiad MCQs with Answers Set B
CBSE Class 10 Science NSO Olympiad MCQs with Answers Set C
CBSE Class 10 Science NSO Olympiad MCQs with Answers Set D
CBSE Class 10 Science NSO Olympiad MCQs with Answers Set E
CBSE Class 10 Science NSO Olympiad MCQs with Answers Set F
CBSE Class 10 Science NSO Olympiad MCQs with Answers Set G
CBSE Class 10 Science NSO Olympiad MCQs with Answers Set H
CBSE Class 10 Science NSO Olympiad MCQs with Answers Set I
CBSE Class 10 Science NSO Olympiad MCQs with Answers Set J
~ Class 10 Science (Old Chapters)
CBSE Class 10 Chemistry Case Study Questions Periodic Classification of Elements MCQs
CBSE Class 10 Chemistry Periodic Classification of Elements MCQs Set A
CBSE Class 10 Chemistry Periodic Classification of Elements MCQs Set B
CBSE Class 10 Chemistry Periodic Classification of Elements MCQs Set C
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CBSE Class 10 Physics Sources of Energy MCQs Set B
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