High purity nitrogen is used in__________________?

Related Mcqs:

Co-efficient of thermal expansion of glass is decreased by the addition of _______________ during its manufacture?

A. CaO B. MnO2 C. ZnO D. FeS...

Pick out the wrong statement ?

A. Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% B. The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with sulphur trioxide C. Vitriol oil is nothing but technical sulphuric acid D. Decomposition of sulphuric acid on heating does not start before its boiling...

Higher viscosity index of a lubricating oil denotes_______________?

A. Less changes in fluidity of oil with temperature B. Substantially high change in fluidity of oil with temperature C. Its unsuitability under varying temperature conditions D. None of these...

Coal tar is used as a___________________?

A. Binding material for coal briquettes B. Fuel in rotary kiln C. Binder in making carbon electrodes D. All A , B. and C....

A substance produced by a living organism and capable of anti-microbial activity is called a/an < ____________________?

strong>A. Antibiotic B. Antiseptic C. Disinfectant D. None of these...