A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be________?

The chemical nature of an element is independent of________?

Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the ________?

Which one contains minimum percentage of SiO2?

Heat sensitive materials can be concentrated in an evaporator employing________?

Atmospheric pressure corresponds to a hydrostatic head of________?