Metallurgy · Chemistry · TS EAMCET
MCQ (Single Correct Answer)
1
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
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2
Copper matte is mixture of
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3
Among the following the calcination process is
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4
Kaolinite is a silicate mineral of metal ' $X$ ' and calamine is a carbonate mineral of metal ' $Y^{\prime}, X$ and $Y$ respectively are
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5
The major components of cement are
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6
A low boiling point metal contains high boiling point metal as impurity. The correct refining method is
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7
"Observe the following reaction. This reaction represents
$$ 4 \mathrm{HCl}+\mathrm{O}_2 \xrightarrow[723 \mathrm{~K}]{\mathrm{CuCl}_2} 2 \mathrm{Cl}_2+2 \mathrm{H}_2 \mathrm{O} $$"
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