The chemical reactions which proceed with the absorption of heat energy are called

The chemical reactions which proceed with the evolution of heat energy are called.

_______ is a substance which furnishes H+ ions or H₃O⁺ ions when dissolved in water.

A reaction in which a single product formed from two or more reactants is known as.

The reaction in which a compound is formed due to the combination of the constituent elements called _________ reaction.

_____ is derived by the partial replacement of hydrogen sense of an acid by a metal.