The lightest non-inflammable gas is_________________?

Related Mcqs:

A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its_______________?

A. Aqueous tension B. Saturated humidity C. Vapor pressure D. Absolute humidity...

Uniform ramming of sand in green sand moulding process leads to____________________?

A. Reduced chance of gas porosity B. Greater dimensional stability of the casting C. Uniform flow of molten metal into the mould cavity D. Less sand expansion type of casting defect...

The dimensional formula of bulk modulus of elasticity is same as that of the ____________________?

A. Pressure B. Density C. Force D. None of these...

A high pressure boiler generates steam at a pressure greater than _____________________ kg/cm2 ?

A. 10 B. 30 C. 50 D. 80...

A material in which the atoms are arranged regularly in some directions but not in others, is termed as ‘mesomorphous material’; an example of which is_________________?

A. Lead B. Glass C. Mica D. Silver...