Match the following:
Metal Uses $1$. Sodium $a$. For preparing springs $2$. Beryllium-copper $b$. In treatment of cancer $3$. Radium $c$. In preparation of aeroplanes $4$. Magnesium-aluminium $d$. In color industries
| Metal | Uses |
|---|---|
| $1$. Sodium | $a$. For preparing springs |
| $2$. Beryllium-copper | $b$. In treatment of cancer |
| $3$. Radium | $c$. In preparation of aeroplanes |
| $4$. Magnesium-aluminium | $d$. In color industries |
- A$1-d, 2-a, 3-b, 4-c$
- B$1-a, 2-b, 3-c, 4-d$
- C$1-b, 2-c, 3-d, 4-a$
- D$1-c, 2-d, 3-a, 4-b$
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Similar Questions
$A$ pink colored salt on dry heating becomes blue in colour. The salt may contain:
Easy
View SolutionMatch the following:
List-$I$ (Chemical) List-$II$ (Use) $A$. $KOH$ $I$. Coolant $B$. $Na_{(l)}$ $II$. Antacid $C$. $Li$ $III$. Electrochemical Cells $D$. $Mg(OH)_2$ $IV$. Absorbent for $CO_2$
The correct answer is:
| List-$I$ (Chemical) | List-$II$ (Use) |
|---|---|
| $A$. $KOH$ | $I$. Coolant |
| $B$. $Na_{(l)}$ | $II$. Antacid |
| $C$. $Li$ | $III$. Electrochemical Cells |
| $D$. $Mg(OH)_2$ | $IV$. Absorbent for $CO_2$ |
The correct answer is:
Identify the incorrect order against the property given in brackets.
The pair$(s)$ of reagents that yield paramagnetic species is/are:
$A$. $Na$ and excess of $NH_3$
$B$. $K$ and excess of $O_2$
$C$. $Cu$ and dilute $HNO_3$
$D$. $O_2$ and $2-ethylanthraquinol$
$A$. $Na$ and excess of $NH_3$
$B$. $K$ and excess of $O_2$
$C$. $Cu$ and dilute $HNO_3$
$D$. $O_2$ and $2-ethylanthraquinol$
Calcium cyanamide on treatment with steam produces:
Medium
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