MCQ
The conversion of sugar ${C_{12}}{H_{22}}{O_{11}}\, \to \,\,C{O_2}$ is
- ✓Oxidation
- BReduction
- CNeither oxidation nor reduction
- DBoth oxidation and reduction
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$\begin{array}{|c|c|c|c|}\hline {} &\text { Molisch's Test} & {\text { Barfoed Test}} & {\text { Biuret Test}} \\ \hline \text { A} & { Positive } & {\text { Negative }} & {\text { Negative }} \\ \hline \text { B } & {\text { Positive }} & {\text { Positive }} & {\text { Negative }} \\ \hline \text { C } & {\text { Negative }} & {\text { Negative }} & {\text { Positive }} \\ \hline\end{array}$
$A, B$ and $C$ are respectively
| List - I | List - II | ||
| (A) | Bronze | (I) | Cu,Ni |
| (B) | Brass | (II) | Fe,Cr,Ni,C |
| (C) | UK silver coin | (III) | Cu,Zn |
| (D) | Stainless Steel | (IV) | Cu,Sn |

