As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches________?

Blue colour is imparted to glass by the addition of________?

The maximum liquid gradient over a tray must not exceed________?

Sum of the powers of the concentration terms in the rate equation is called the ________ of the reaction?

Coal tar (produced by high temperature carbonisation) is the main source of________?

Actual lift of a pump is always less than the theoretical lift and is limited by the________?