An aqueous solution of sodium carbonate is alkaline because sodium carbonate is a salt of

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Weak acid and weak base

Strong acid and weak base

Weak acid and strong base

Strong acid and strong base

answer is C.

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Detailed Solution

Na2CO3 + 2H2O ⇌ 2NaOH + H2CO3. It is a strong base and weak acid so it is a basic.

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