Question

2. Alloys are used in electrical heating devices rather than pure metals. Give one reason.
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Answer 1

$\color{cyan} \tt{Alloys \: are used \: in electrical heating \: devices \: rather \: than \: pure \: metals. \: Give \: one \: reason.}$

As we know alloys have high resistivity and high melting point as compared to pure metals. So alloys cannot easily burn or oxidize at higher temperature. Now as we want higher temperature in heating devices so we use alloys in heating devices.

Alloys are, for example: Nichrome, generally harder than pure metals.