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

  • 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

Match 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:

Consider three metal chlorides $x$, $y$ and $z$, where $x$ is water soluble at room temperature, $y$ is sparingly soluble in water at room temperature and $z$ is soluble in hot water. $x$, $y$ and $z$ are respectively:

$A$ pink colored salt on dry heating becomes blue in colour. The salt may contain:

Which elements are present in the $s$-block?

An alloy which does not contain copper is

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