GENERAL SCIENCE GK QUESTIONS - SET-2
Basic science:-
1. The most important ore of Aluminium is
Bauxite
2. The element present in the largest amount in rocks and minerals is
Silicon
3. An alloy used in making heating elements for electric heating devices is
Nichrome
4. German Silver is an alloy of
Zinc, Copper and Nickel
5. Air is a/an
Mixture
6.Which of the following is the best conductor of Electricity ?
Sea water
7.Balloons are filled with
Helium
8. The charcoal used to decolourise raw sugar is
Wood charcoal
9.The most abundant metal in the earth’s crust is
Aluminium
10. The gas used to extinguish fire is
Carbon dioxide
11. The element common to all acids is
Hydrogen
12.Gobar gas contains mainly
Methane
13. The most malleable metal is
Pain Killer
14. Tetraethyl lead is used as
Petrol additive
15. Which of the following is used in beauty parlours for hair setting ?
Chlorine
16.From which mineral is radium obtained
Pitchblende
17.What is laughing gas ?
Nitrous oxide
18. Which form of phosphorus is used in safety metals?
Red Phosphorus
19. Stainless steel is an alloy of
Iron, Chromium and Nickel
20.Antidiuretic hormone (ADH)
causes an increase in the blood pressure
21.The major ingredient of leather is
Collagen
22.Glass is made from the mixture of
Sand and silicates
23. Epoxy resins is used as
Adhesives
24. Polythene is industrially prepared by the polymerization of
Ethylene
25.A mixture of water and alcohol can be separated by
Distillation
Best of luck