Question

a) State one difference between:(i) Combination and decomposition reaction.(ii) Displacement and double displacement reaction.(b) Balance the following chemical equation:Pb(NO₃)₂(s) ➝heatPbO(s)+NO₂(g)+O₂(g)

Answer 1

Answer:

1) Combination reaction :-

1) It is a chemical reaction in which two or more reactants combine with each other to form a new single product .

2) It is exothermic .

2) Decomposition reaction :-

1)It is a chemical reaction in which one reactant breaks down into simpler compounds .

2) It is endothermic

follow me and please click on thank you