Q.

Which of the following metals is used for the manufacture of heating elements provided in electric iron?

A. Nickel
B. Chromium
C. Nichrome
D. Tungsten
Answer» C. Nichrome
Explanation: Nichrome is the most common domestic heating element and is found in many household products. Commonly, items such as toasters, hair dryers and heaters use nichrome coils to pass electricity and give off heat. Nichrome is made of 80 percent nickel and 20 percent chromium, and its high melting point of 1,400 degrees Celsius.
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