Similar genotypes produced by plant breeding technique

The most abundant constituent of atmospheric air is

When water itself combines chemically with some element or mineral it is called 

The particle required to continue the chain process of Uranium fission is:

When a spoon is to be electroplated with nickel the spoon is

“Firefighting clothes” are made from

Ozone layer is present in

Burning pyrites ore gives out 

One property of ammonia is 

Spirit in contact with body gives cool sensation because it is:

Which one of the following is not a greenhouse gas?