Which of the following could be used as fuel in propellant or rockets ?
A). Liquid Hydrogen + Liquid Nitrogen
B). Liquid Oxygen + Liquid Argon
C). Liquid Nitrogen + Liquid Oxygen
D). Liquid Hydrogen + Liquid Oxygen
Liquid Hydrogen + Liquid Oxygen
Liquid hydrogen and liquid oxygen are used as propellent for rocket.
1. Which one of the following metals is used to galvanise iron?
2. Browning of paper in old books is caused by
4. The most volatile of the given liquids is
6. Milk tastes sour when it is left in open for some time.This happens due to the formation of
7. Which one is a naturally occuring noble gas?