b. Combination reaction 3. Explain the following terms with examples.

Question

3. Explain the following terms with
examples.
b. Combination reaction

Answer 1

When two or more reactants combine in a reaction to form a single product, it is called a combination reaction.

Example:: When HCl vapours started coming out from the test tube, and NH₃
gas came
out from the solution on the glass rod. The ammonia gas and hydrogen chloride gas reacted
to form the salt ammonium chloride .
NH₃(g)+ HCl(g) ----> NH₄Cl(s) 

In this reaction ammonium chloride formed as the single product by the combination of Ammonia and Hydrogen Chloride .