The gases which are used by drivers as an artificial atmosphere are helium and_____________?

Related Mcqs:

Which of the following is not a part of Darwinism?

A. Over production B. Natural selection C. Inheritance for acquired characters D. Competition for survival E. None of these...

Which one of the following is a non-metallic mineral?

A. Manganese B. Magnesium C. Gypsum D. Bauxite E. None of these...

Moon light reaches to earth in___________seconds?

A. 0.3 seconds B. 1.3 seconds C. 2.3 seconds D. 3.3 seconds...

Sound travels_______ in solid materials then liquid?

A. Constant B. Slowest C. Fastest D. None of these...

Ozone layer thickness is measured in____________?

A. Metre B. Joule C. Pounds D. Dobson...