Question

Give one ex each of displacement , decomposition and combination reaction with explanation

Answer 1

displacement reaction:Example : Reaction of iron nails with copper sulphate solution. A displacement reaction is a reaction in which an atom, or a group of atoms, present in a molecule is displaced by another atom. For example, iron when added to a solution of copper sulphate displaces copper metal

Answer 2

Combination reaction

Those reaction in which two or more substances combine to form a single substance .

Fe + S = FeS

Decomposition reaction

Those reaction in which a compound split up into two or more simpler substances .

2AgBr = 2Ag + Br2