MCQ
The addition of solid sodium carbonate to pure water causes
- AAn increase in hydronium ion concentration
- ✓An increase in alkalinity
- CNo change in acidity
- DA decrease in hydroxide ion concentration
✓
Answer
Correct option: B.
An increase in alkalinity
(b)Adding $N{a_2}C{O_3}$ to water makes the solution basic and hence a $pH $ increases from $7. $
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