MCQ
Night blindness is caused by deficiency of which vitamin?
- AB6
- ✓A
- CC
- DD
✓
Answer
Correct option: B.
A
b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The reaction of Lucas reagent is fast with
Aniline and methyl amine can be differentiated by:
An aqueous solution of a solute $AB$ has $b.p$ of $101.08\,^oC$ ($AB$ is $100\%$ ionised in boiling point of the solution ) and freezes at $-1.80\,^oC$. Hence, $AB\, (K_b / K_f = 0.3)$
→Which is true for $SF_6$
→Which one of the following compounds when heated with $KOH$ and a primary amine gives carbylamine test
→Mixture $X = 0.02\,mol$ of $[Co{(N{H_3})_5}S{O_4}]\,Br$ and $0.02$ $mol$ of $[Co{(N{H_3})_5}Br]S{O_4}$ was prepared in $2$ litre of solution $ 1$ litre of mixture $X$ $+ $ excess $AgN{O_3} \to Y$.
→$1$ litre of mixture $X$ $+$ excess $BaC{l_2} \to Z$ Number of moles of $Y$ and $Z $ are
Within each pair of elements of $F\;and \;Cl$ , $S\;and \;Se$, and $Li\;and \;Na$, respectively, the elements that release more energy upon an electron gain are
→Product $(Q)$ in this reaction is
→Which of the following has longest $C-O$ bond length? (Free $C-O$ bond length in $CO$ is $1.128\,\mathop A\limits^o $ )
→Freon (dichlorodifluoro methane) is used