A neutralisation reaction is a (a) physical and reversible change. (b) a physical change that cannot be reversed. (c) chemical and reversible change. (d) the chemical change that cannot be reversed.

Answer: (d) the chemical change that cannot be reversed.

It is a chemical reaction where acid and base reacts with each other quantitatively. Neutralization is an irreversible process.

Neutralization reaction

A neutralization reaction can be defined as a chemical reaction in which an acid and base quantitatively react together to form a salt and water as products. The chemical equation of neutralization reaction is

acid + base(alkali) → salt + water

Examples of neutralization reaction

Few examples of neutralization reactions are

  1. Formation of Sodium Chloride (Common Salt): HCl + NaOH → NaCl + H2O
  2. Titration methods using phenolphthalein.

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