Which of the following contains least amount of N2 ?

Related Mcqs:

Nitrile rubber is produced by the polymerisation of__________________?

A. Acrylonitrile and butadiene B. Acrylonitrile and styrene C. Isobutylene and isoprene D. None of these...

Sea water contains about ______________________ ppm of bromine ?

A. 5 B. 70 C. 500 D. 1700...

Thermosetting plastic materials____________________?

A. Can be repeatedly melted B. Is useful for melt casting C. Cannot be melted after forming D. Is useful for spinning...

White phosphorous is stored under water, because __________________?

A. It does not react with water B. It is poisonous C. Its kindling temperature in dry air is very low D. It is unstable...

DDT stands for___________________?

A. Diethyl-diphenyl-trichloromethane B. Dichloro-diphenyl-trichloromethane C. diphenyl-dichloro-trichloromethane D. Dichloro-diphenyl-trichloroethane...