35.
__________ addition increases the depth of hardness of steel.

36.
Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant 'K' is

40.
The activity co-efficient of the solute in a dilute solution