Ore concentration by jigging is based on the difference in the ________ of the particles?

Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of________?

Smoke point of a good burning kerosene may be around ________ mm?

The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to ________ gm?

The unity of Planck’s constant ‘h’ in the equation, E = hv is________?

White cast iron is not________?