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-p-Block elements - I — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry-p-Block elements - I1 Mark
MCQ
The liquefied metal which expands on solidification is
  • ✓
    $Ga$
  • B
    $Al$
  • C
    $Zn$
  • D
    $In$
✓

Answer

Correct option: A.
$Ga$
a
Gallium $(Ga)$ is soft , silvery metal. Its melting point is $30\,^oC$. This metal expands by $3.1\%$ when it solidifies and hence, it should not be stored in glass or metal containers.

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