Subject

Chemistry

Class

ICSE Class 12

Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Sample Papers

Download the PDF Sample Papers Free for off line practice and view the Solutions online.
Advertisement

 Multiple Choice QuestionsShort Answer Type

31.

Write balanced equations for each of the following reactions :    

(i) Silver Sulphide and Sodium Cyanide.

(ii) Water is added to aluminium chloride.

(iii) Bromine water and sodium sulphite.

(iv) Phosphorous is boiled with a solution of sodium hydroxide.

635 Views

32.

How will you bring about the following conversions :

(i) Chloroacetic acid to Glycine.    

(ii) Formic acid to Oxalic acid.   

(iii) Diethyl ether to ethanol.  

256 Views

33. Draw the resonating structures of Chlorobenzene.
488 Views

34.

State the reagents for the following conversions:  

258 Views

Advertisement
35.

Give one example each of the following name reactions :

(i) Hofmann’s Degradation  
  
(ii) Cannizzaro’s Reaction

(iii) Benzoin Condensation 

(iv) Friedel Craft’s Reaction.

797 Views

Advertisement

36.

How will you distinguish between the following pairs of compounds ? Give one good chemical test.   

(i) Glucose and Sucrose    
(ii) Ethanol and Phenol


Reagent

Glucose

Sucrose

Conc. H2S04 + Δ

No change.

Undergoes charring. Carbon is left as residue.

469 Views

Advertisement
37.

Write balanced equations of the following reactions :    

(i) Aniline and Bromine water

(ii) Ethylamine and Nitrous Acid

(iii) Acetic Anhydride and Ammonia

(iv) Acetone and Phosphorous Pentachloride.

331 Views

38.  Give one example each of addition and condensation polymer. Name the monomers in each case.   
337 Views

Advertisement

 Multiple Choice QuestionsLong Answer Type

39. Name the chief ore of tin. Describe the extraction of tin from the concentrated ore. 
1533 Views

Advertisement