MCQ
The maximum prescribed concentration of copper in drinking water is ........ $ppm$
- A$0.5$
- ✓$3$
- C$5$
- D$0.05$
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$CH_3-COOH$ $\mathop {\xrightarrow{{(i)\,B{r_2}/P}}}\limits_{(ii)\,NaCN\,(iii)\,{H_2}O/{H^ \oplus }/\Delta } \,[X]$
$[X]$ will be :