MCQ
$pH$ value of $0.001\, M \,NaOH$ solution is $..... .$
- A$7$
- B$14$
- C$3$
- ✓$11$
$\left[ OH ^{-}\right]=10^{-3}$
$pOH =3$
$pH =11$
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Assertion $A :$- Carbon forms two important oxides $- CO$ and $CO _2 . CO$ is neutral whereas $CO _2$ is acidic in nature.
Reason $R :$- $CO _2$ can combine with water in a limited way to form carbonic acid, while $CO$ is sparingly soluble in water.
In the light of the above statements, choose the most appropriate answer from the options given below :-
