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When a standard solution of NaOH is left...

When a standard solution of NaOH is left in air for a few hours:

A

A precipitate will form

B

Strength will decrease

C

Strength will increase

D

The concentration of `Na^(oplus)` ions will remain constant

Text Solution

Verified by Experts

The correct Answer is:
B
Since `NaOH` reacts with atmospheric `CO_2. 2NaOH + CO_2 rarr Na_2CO_3 + H_2O`
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