Metallurgy · Chemistry · TS EAMCET
MCQ (Single Correct Answer)
Match the following
| List I (Alloy) | List II (Use) |
| A Li-Pb | I. In aircraft construction |
| B Be-Cu | II. To make bearings for motor engines |
| C Mg-Al | III. To make tetraethyl lead |
| D Na-Pb | IV. To make high strength springs |
The correct answer is
"Observe the following reaction. This reaction represents
$$ 4 \mathrm{HCl}+\mathrm{O}_2 \xrightarrow[723 \mathrm{~K}]{\mathrm{CuCl}_2} 2 \mathrm{Cl}_2+2 \mathrm{H}_2 \mathrm{O} $$"
$$ \text { Match the following. } $$
$$ \begin{array}{llll} \hline & \begin{array}{c} \text { List-I } \\ \text { (Refining method) } \end{array} & & \begin{array}{c} \text { List-II } \\ \text { (Metals to be refined) } \end{array} \\ \hline \text { (A) } & \text { Zone refining } & \text { (I) } & \text { Titanium } \\ \hline \text { (B) } & \text { Poling } & \text { (II) } & \text { Tin } \\ \hline \text { (C) } & \text { Liquation } & \text { (III) } & \text { Gallium } \\ \hline \text { (D) } & \text { Vapour phase refining } & \text { (IV) } & \text { Copper } \\ \hline \end{array} $$
The correct answer is