Which amongst the following is true about diamonds?

Pure diamond is colourless and transparent

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Diamond is a good conductor of electricity

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It is hardest naturally occurring substance

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It has a density of 2.39 $g / c m^{3}$

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Solution

The correct options are
A
Pure diamond is colourless and transparent

C
It is hardest naturally occurring substance

(1) Pure diamond is colourless and transparent.

(2) It is the hardest naturally occurring substance.

(3) It has a high density of 3.5 $g / c m^{3}$ .

(4) It is a bad conductor of electricity while graphite is a good conductor of electricity.

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Similar questions

Name the following :

(a) The hardest naturally occurring substance.

(b) A greyish black non-metal that is a good conductor of electricity.

Name

(a) a soft metal.

(b) a metal which is brittle.

(d) a liquid metal.

(e) a metal which is a poor conductor of electricity.

(f) a non-metal which is a good conductor of electricity.

(g) a liquid non-metal.

(h) the hardest naturally occurring substance.

(i) an inert gas.

Which of the following is hardest naturally occurring substance?

(C H_{3})_{3} N

(S i H_{3})_{3} N

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