G.K. Practice Test: Question Set - 03
1. Lime is sometimes applied to soil in order to
- (A) Increase
the alkalinity of the soil
- (B) Increase
the acidity of the soil
- (C) Restore
nitrates to the soil
- (D) Make
the soil more porous
2. Which of the following chemicals is useful in photography?
- (A) Aluminium
hydroxide
- (B) Potassium
nitrate
- (C) Silver
bromide
- (D) Sodium
chloride
3. Water is a good solvent of ionic salts because
- (A) It has a
high boiling point
- (B) It
has a high dipole moment
- (C) It
has a high specific heat
- (D) It has no
colour
4. Ordinary table salt is sodium chloride. What is baking soda?
- (A) Potassium
chloride
- (B) Potassium
carbonate
- (C) Potassium
hydroxide
- (D) Sodium
bicarbonate
5. What does happen when water is condensed into ice?
- (A) Heat is absorbed
- (B) Heat is released
- (C) Quantity of heat
remains unchanged
- (D) None of these
6. The air we inhale is mixture of gases. Which of the following gases in the mixture is highest in percentage?
- (A) Carbon
dioxide
- (B) Nitrogen
- (C) Oxygen
- (D) Ozone
7. The chief constituent of gobar gas is
- (A) Ethane
- (B) Methane
- (C) Hydrogen
- (D) Carbon
dioxide
8. The reaction which converts sugar solution into alcohol is an example of
- (A) Saponification
- (B) Hydrogenation
- (C) Fermentation
- (D) Hydrolysis
9. In which of the following pairs, the two substances forming the pair are chemically most dissimilar?
- (A) Sugar and
paper
- (B) Butter and
paraffin wax
- (C) Chalk
and marble
- (D) Charcoal and
diamond
10. The agent which is oxidized in photosynthesis is
- (A) Sunlight
- (B) Carbon
dioxide
- (C) Water
- (D) Chlorophyll
Next Tests: