With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the ________ decreases?

A spherical porous catalyst particle of radius R is subjected to reactant A which reacts to form B by a zero order surface reaction A → B. Film mass transfer resistance is negligible and pore diffusion of A is rate controlling. The effectiveness factor of the catalyst is reported as 7/8. Which of the following statement is true?

Solar energy results from ________ reaction?

One ‘amu’ is equivalent to________?

The biological decomposition of organic substances in wastes controlled conditions is called________?

The electrical conductivity of a ________ decreases with rise in temperature?