Supply of excess air for complete combustion of fuel is necessitated to facilitate________?

At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is________?

In a single effect evaporator, the economy is________?

Thermal conductivities of most of the liquids ________ with rise in temperature?

Pick out the wrong statement?

With increase in impurities in metals, their corrosion resistances________?