Plasma is________?

Which of the following does not produce a change in the value of rate constant of a reaction?

Entrainer used in Azeotropic distillation should________?

Nitriding of steel is done (in electric furnace) at ________ °C?

Cast iron contains ________ percent carbon?

The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K0 + at, where, K is the thermal conductivity and T is the temperature (in °K). The units of ‘a’ in SI system will be________?