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Select the incorrect statement from the following option. (a)Metals are extremely good conductors of heat and electricity

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in Engineering Chemistry I by (506k points)
Select the incorrect statement from the following option.

(a) Metals are extremely good conductors of heat and electricity

(b) The properties of metal degrade rapidly with temperature

(c) Metals have poor corrosion resistant

(d) A polished metal surface has a dull appearance

This question was posed to me during an online interview.

My enquiry is from Engineering  Materials topic in portion Materials and their Properties of Engineering Chemistry I

1 Answer

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Correct answer is (d) A polished metal surface has a dull appearance

Easiest explanation: A polished metal surface has a lustrous appearance. All the other options are correct. Metals are extremely good conductors of heat and electricity, its properties degrade rapidly with temperature and have poor corrosion resistance.

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