G.K. Practice Test: Question Set - 10
1. The molecules of which gas have highest speed?
- (A) H2 at
-73°C
- (B) CH4 at
300 K
- (C) N2 at
1027°C
- (D) O2 at
0°C
2. The nucleus of a hydrogen atom consists of
- (A) 1 proton
only
- (B) 1 proton + 2
neutrons
- (C) 1 neutron
only
- (D) 1 electron
only
3. The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is
- (A) 2.05 gram
- (B) 3.05 gram
- (C) 4.05 gram
- (D) 5.05 gram
4. The monomer of polythene is
- (A) Vinyl
chloride
- (B) Ethylene
- (C) Ethyl
alcohol
- (D) None of the
above
5. The most malleable metal is
- (A) Platinum
- (B) Silver
- (C) Iron
- (D) Gold
6. The gas used in the manufacture of vanaspati from vegetable oil is
- (A) Hydrogen
- (B) Oxygen
- (C) Nitrogen
- (D) Carbon
dioxide
7. The most electro-positive elements among the following is
- (A) Na
- (B) Ca
- (C) k
- (D) Cs
8. The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is
- (A) Cineole
- (B) Engenol
- (C) Geraniol
- (D) Limonene
9. The major constituent of air is
- (A) Nitrogen
- (B) Carbon
dioxide
- (C) Oxygen
- (D) Hydrogen
10. The main chemical constituent of clay is
- (A) Silicon
oxide
- (B) Aluminium
borosilicate
- (C) Zeolites
- (D) Aluminium
silicate
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