brodidit for students
Home / Practice / Class 12 / Chemistry / Carboxylic acids
Carboxylic acids
5 Class 12 Chemistry questions with answers and explanations.
Printable worksheet with answer key
-
Ethanoic acid is the main acid in:
- 1 Milk
- 2 Vinegar
- 3 Lemon juice
- 4 Tea
Show answer
Correct answer: Vinegar
Vinegar contains about 5 percent ethanoic acid.
-
Carboxylic acids react with sodium carbonate to release:
- 1 Ammonia
- 2 Carbon dioxide
- 3 Hydrogen
- 4 Oxygen
Show answer
Correct answer: Carbon dioxide
They are acidic enough to release CO2 from carbonates.
-
Reaction of an acid with an alcohol gives an ester and:
- 1 Hydrogen
- 2 Oxygen
- 3 Carbon dioxide
- 4 Water
-
Esters are often responsible for:
- 1 Fruity smells
- 2 Colours of metals
- 3 Bitter taste
- 4 Salty taste
-
Soap is made by the alkaline hydrolysis of fats, called:
- 1 Saponification
- 2 Hydrogenation
- 3 Fermentation
- 4 Esterification