The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is
A). Argon
B). Xenon
C). Helium
D). Krypton
1. In the process of magnetization of a bar
2. The four stroke petrol engine Is based on
3. Among the various allotrope of carbon
5. Name the process of production of energy in the Sun
6. Which of the following is riot a greenhouse gas ?
7. Which of the following is the major constituent of LPG?
8. The Bhopal gas tragedy was caused by the gas