p-Block elementsHard

Question

The liquefied metal expanding on solidification is :

Options

A.Ga
B.Al
C.Zn
D.Cl

Solution

(a) Gallium (Ga) is soft, silvery metal. Its melting point is 30oC. 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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