G.K. Practice Test: Question Set - 05
1. Carbon, diamond and graphite are together called
- (A) Allotropes
- (B) Isomers
- (C) Isomorphs
- (D) Isotopes
2. Potassium nitrate is used in
- (A) Medicine
- (B) Fertilizer
- (C) Salt
- (D) Glass
3. Soda water contains
- (A) Carbonic
acid
- (B) Sulphuric
acid
- (C) Carbon
dioxide
- (D) Nitrous acid
4. Most soluble in water is
- (A) Camphor
- (B) Sulphur
- (C) Common salt
- (D) Sugar
5. Sodium metal is kept under
- (A) Petrol
- (B) Alcohol
- (C) Water
- (D) Kerosene
6. What is laughing gas?
- (A) Nitrous
Oxide
- (B) Carbon
monoxide
- (C) Sulphur
dioxide
- (D) Hydrogen
peroxide
7. The two elements that are frequently used for making transistors are
- (A) Boron and
aluminium
- (B) Silicon
and germanium
- (C) Iridium
and tungsten
- (D) Niobium
and columbium
8. Diamond is an allotropic form of
- (A) Germanium
- (B) Carbon
- (C) Silicon
- (D) Sulphur
9. Marsh gas is
- (A) Nitrogen
- (B) Ethane
- (C) Methane
- (D) Hydrogen
10. LPG consists of mainly
- (A) Methane,
ethane and hexane
- (B) Ethane,
hexane and nonane
- (C) Methane,
hexane and nonane
- (D) Methane,
butane and propane
Next Tests: