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  • Sodium carbonate is a basic salt because it is a salt of (a) strong acid and strong base (b) weak acid and weak base (c) strong acid and weak base (d) weak acid and strong base

Sodium carbonate is a basic salt because it is a salt of

(a) strong acid and strong base

(b) weak acid and weak base

(c) strong acid and weak base

(d) weak acid and strong base

Answers (1)

Answer: (d)

 Sodium carbonate (Na_{2}CO_{3}) is the salt of weak acid carbonic acid (H_{2}CO_{3}) and a strong base sodium hydroxide (NaOH)

2NaOH+H_{2}CO_{3}\rightarrow Na_{2}CO_{3}+2H_{2}O

The salts of weak acids and strong bases give basic solutions (or alkaline solutions) having pH more than 7.

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