Write correctly a balanced equation for the following 'word' equation :

Red lead ⟶ lead monoxide + oxygen

Name a gas which burns in air or oxygen forming water.

Write correctly the balanced equation for the following :

When red lead, Pb₃O₄ is heated.

Write correctly balanced equations in the following cases :

(a) When lead (II) oxide (PbO₂) is heated.

(b) When phosphorous is burnt in a jar of oxygen.