What happen with aluminium is heated to `800^(@)C` ?

What happens when gypsum is heated ?

What happens when aluminium is a. heated strongly in air b. reacted with chlorine.

What happens when Gypsum is heated.

What will happen if aluminium is heated with coke in an atmosphere of nitrogen?

What happens when aluminium wire is heated in air? Give equation.

What happens when aluminium is heated with hot concentrated sodium hydroxide?

What happens when aluminium is heated with dilute NaOH and hydrated alumina is treated with aqueous sodium hydroxide solution?

What happens when borax is heated ?