MCQ
The best source of vitamin $A$ is:
- AOranges
- BBeans
- ✓Carrots
- DWheat
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Given : $\log 2=0.3010$
$\log 3=0.4771$
$\log 5=0.6989$
$Cl_2 + 2Br^ - (aq.) \to 2Cl^-(aq.) + Br_2$
$Br_2$ gas thus formed is dissolved into solution of $Na_2CO_3$ and then pure $Br_2$ is obtained by treatment of the solution with