MCQ
$pH$ of a solution is $9.5. $ The solution is
- ANeutral
- BAcidic
- ✓Basic
- DAmphoteric
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Oxygen $(61.4\%);$ Carbon $(22.9\%),$ Hydrogen $(10.0\%);$ and Nitrogen $(2.6\%).$ The weight which a $75\, kg$ person would gain if all $^1H$ atoms are replaced by $^2H$ atoms is ....... $kg$
