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An aqueous solution of sodium carbonate ...

An aqueous solution of sodium carbonate has a `pH` greater than `7` because

A

It contains more carbonate ions than `H_(2)O` molecules

B

Contains more hydroxide ions than carbonate ions

C

`Na^(+)`ions react with water

D

Carbonate ions react with `H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
B
`pH gt 7 ` = Basic
It means contain more hydroxide ions than carbonate ions .
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