The lightest gas which is non-inflammable is
A). Hydrogen
B). Helium
C). Oxygen
D). Nitrogen
Helium
The lightest gas which is non-inflammable is helium.
1. 'Yellow cake' an item of smuggling across broder is-
2. Aspirin is chemically known as
3. Which among the following is not a characteristic of transition metals?
4. The gas used for artificial fruit ripening of green fruit is
6. Glycol is added to aviation gasoline because it
7. Mortar is a mixture of water sand and
8. Which of the following is not soluble in water ?
9. Which is the heaviest metal among the following?
10. Which one of the following metals does not react with water to produce Hydrogen ?