Name the following :
The process of heating an ore to a high temperature in the presence of air.

If a magnet is heated to a high temperature, it

Smelting is the process of heating the ore with magnesium.

Name the following : Damage of photosynthetic pigments at very high temperature.

The process of heating the ore in the absence of oxygen is known as .....

____ on heating to a very high temperature changes to a plasma.

The process of heating milk at high temperature and rapidly cooling to kill bacteria is called

In calcination, ore is heated strongly in the absence of air

Explain the following reactions (a) Silicon is heated with methyl chloride at high temperature in the presence of copper, (b) Silicon dioxide is treated with hydrogen fluoride, (c) CO is heated with ZnO, (d) Hydrated alumina is treated with aqueous NaOH solution.

Potassium carbonate when heated to high temperature.

Name the following: The chemical name of the principal ore of aluminium.