CBSE Class 12 Chemistry All Chapters Revision Notes

Download CBSE Class 12 Chemistry All Chapters Revision Notes in PDF format. All Revision notes for Class 12 Chemistry have been designed as per the latest syllabus and updated chapters given in your textbook for Chemistry in Class 12. Our teachers have designed these concept notes for the benefit of Class 12 students. You should use these chapter wise notes for revision on daily basis. These study notes can also be used for learning each chapter and its important and difficult topics or revision just before your exams to help you get better scores in upcoming examinations, You can also use Printable notes for Class 12 Chemistry for faster revision of difficult topics and get higher rank. After reading these notes also refer to MCQ questions for Class 12 Chemistry given on studiestoday

Revision Notes for Class 12 Chemistry All topics

Class 12 Chemistry students should refer to the following concepts and notes for All topics in Class 12. These exam notes for Class 12 Chemistry will be very useful for upcoming class tests and examinations and help you to score good marks

All topics Notes Class 12 Chemistry

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 class_12-chemistry_concept_46 

III# FIND ODD-ONE OUT (with proper reasoning )

1. Bitional, 0.2% phenol, Tincture Iodine, Chloramphenicol, Iodoform

2. Aspirin, Paracetamol, Morphene, Phenacetin

3. Tetracycline, Chloramphenicol, Ofloxacin, Penicillin.

4. Sodium Benzoate, Saccharin, Sucralose, Aspartame, Alitame

5. Ethynylestradiol, BHT, Progestrone derivative, norethindrone

6. brompheniramine , terfenadine, soframicine , pseudopheniramine.

7. Luminal, Seconal, Alkyl benzene sulphonate, Equanil,Calmpose.

8. Omeprazole , Ethynylestradiol , Ranitidine , Mg(OH)2 , NaHCO, Al(OH)3 , MgCO3 ,MgSiO3 .

9. Boric acid, tincture iodine , 1% Phenol , Iodoform, Bithional .

10. Cetyl trimethyl ammonium chloride, Sodium palmitate, Alkylbenzene Sulphonate, Sodium dodecylbenzene Sulphonate

11. Alitame , Salt of propionic acid and sorbic acid , Sodium benzoate .

12. Iproniazid , phenelzine ,sulphanilamide , equanil , luminal

IV# ANALOGICAL TEST :-

1. Chloramphenicol : Broad-spectrum antibiotics :: Aspirin : ---------------------------------------

2. Bithional: Anticeptics :: Seconal : ----------------------------------------

3. Saccharin: artificial sweeteners : : Cetyl trimethyl ammonium bromide : -------

4. Morphene : -------------------------------:: Equanil : Psychotherapeutic Drugs .

5. Barbituirates :Hypnotic :: brompheniramine : -----------------------------------

6. Progestrone Derivative : Oral Contraceptive :: Ranitidine: -------------------------------------

7. Tetrazine : Edible colours :: Aspartame : -------------------------------------

8. Ofloxacin : Bactericidal :: ------------------------------: Bacteriostatic

9. Proteins which perform the role of biological catalyst : Enzyme:: Proteins which are crucial to communication system in the body; -----------------------------

10. Antipyretic: Brings down body temp. :: ---------------------: Alleviate pain .

11. Laundry soap: Sodium rosinate, Sodium silicate, borax and Sodium carbonate Scouring soaps: -----------------------------------------------------------------------

V# MATCH THE FOLLOWING:-

V# Explain / Give reason?????

1# Why do soaps not work in hard water?

2# Why are cimetidine and ranitidine better antacids than sodium hydrogen carbonate or magnesium or aluminum hydroxide?

3# While antacids and antiallergic drugs interfere with the function of histamines, why do these not interfere with the function of each other?

CBSE Class 12 Chemistry All Chapters Revision Notes 1

4# Sleeping pills are recommended by doctors to the patients suffering from sleeplessness but it is not advisable to take its doses without consultation with the doctor. Why?
 
5# Why do we require artificial sweetening agents?
 
6# Why do we need to classify drugs in different ways?
 
7# Explain the term, target molecules or drug targets as used in medicinal chemistry.
 
8# Why should not medicines be taken without consulting doctors?
 
9# Why is use of aspartame limited to cold foods and drinks?
 
10# Explain the cleansing action of soaps.
 
11# Why are detergents usually preferred to soaps for washing clothes.
 
12# Why is ethanol is added to soap.
 
13# Explain the term, target molecules or drug targets as used in medicinal chemistry.
 
14# Why saving soaps contain glycerol in it?

VI # DO AS DIRECTED :-
 
1# If water contains dissolved calcium hydrogen carbonate, out of soaps and synthetic detergents which one will you use for cleaning clothes? Give one advantage of soaps over synthetic detergents.
 
2# Which forces are involved in holding the drugs to the active site of enzymes?
 
3 # Can you use soaps or synthetic detergents to check the hardness of water?
 
4# Explain the following terms with suitable examples (i) cationic detergents (ii)anionic detergents and (iii) non-ionic detergents.
 
5# How are synthetic detergents better than soaps?
 
6# What problem arises in using (i) alitame as artificial sweetener? (ii) Aspartame as artificial sweetener?

7# What is tincture of iodine? What is its use?

8# What are the main constituents of dettol?

9# Name a substance which can be used as an antiseptic as well as disinfectant.

10# Name the macromolecules that are chosen as drug targets.

11# Name the sweetening agent used in the preparation of sweets for a diabetic patient.

12# Name a drug used (a) in case of mental depression (b) for effective treatment for syphilis

13# Name the medicine which can act as analgesic as well as antipyretic. Give its chemical name.

14# Name the place in India where penicillin is manufactured.

15# How do antiseptics differ from disinfectants? Give one example of each.

16# Low level of noradrenaline is the cause of depression. What type of drugs are needed to cure this problem? Name two drugs.

17# Define the term chemotherapy. What are the criteria of classification of drugs?

18# With reference to which classification has the statement, “ranitidine is an antacid” been given?

19 # What is the constitutes of (i) Laundry soap (ii) Scouring soap

20 # Write the chemical equation for preparing sodium soap from glyceryl oleate and glyceryl palmitate. Structural formulae of these compounds are given below.

(i) (C15H31COO)3C3H5 – Glyceryl palmitate
(ii) (C17H32COO)3C3H5 – Glyceryl oleate

21# Following type of non-ionic detergents are present in liquid detergents, emulsifying agents and wetting agents. Label the hydrophilic and hydrophobic parts in the molecule.
Identify the functional group(s) present in the molecule.
C9H19--       --O(CH2CH2O)xCH2CH2OH

22# Label the hydrophilic and hydrophobic parts in the following compounds.

(i) CH3(CH2)10CH2OSO3ˉ Na+   (ii) CH3(CH2)15N+(CH3)3Brˉ (iii) CH3(CH2)10COO(CH2CH2O)nCH2CH2OH

23# Differentiate between

(i) Antiseptic and disinfectant (ii) Soaps and Detergents (iii) Antagonist and agonists
(iv) Enzymes and Receptors
( 3 mark question)
 
24# What are detergents? How are they classified, give one example in each case? Why are detergents usually preferred to soaps for washing clothes? [ AI-2006, Foreign-2005]
 
25# What are biodegradable and non-biodegradable detergents? How do they differ structurally? Give one example of each. What are the consequence of using latter class of detergent?
 
26# What are antihistamines? Give two examples. Explain how they act on the human body . (3M)
 
27 # Account for the following:-
(i) Aspirin drug helps in the prevention of heart attack (ii) Detergents are nonbiodegradable while soaps are biodegradable (iii) Diabetic patients are advised to take artificial sweeteners instead of natural sweeteners

  

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CBSE Class 12 Chemistry All topics Notes

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Notes for Chemistry CBSE Class 12 All topics

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All topics Notes for Chemistry CBSE Class 12

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All topics CBSE Class 12 Chemistry Notes

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Notes for CBSE Chemistry Class 12 All topics

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