1.

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

Answer»

strong ACID and strong BASE
weak acid and weak base
strong acid and weak base
weak acid and strong base

Solution :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)rarrNa_(2)CO_(3)+2H_(2)O`


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