Chemistry PYQ 99 of 291 · Acids, Bases & Salts

Table salt (NaCl) is a product of

  1. AWeak acid and weak base
  2. BStrong acid and strong base
  3. CWeak acid and strong base
  4. DStrong acid and weak base

53rd–55th BPSC Prelims 2011

Show answer and explanation

Correct answer: (b) Strong acid and strong base

Explanation

Sodium chloride forms when hydrochloric acid (a strong acid) neutralises sodium hydroxide (a strong base):

HCl + NaOH → NaCl + H₂O

A salt of a strong acid and a strong base is neutral: its solution has pH 7.

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