A non-metal which is soft and a good lubricant is:

diamond

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graphite

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bromide

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charcoal

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Solution

The correct option is A graphite
Graphite contains layers of carbon atoms. The layers slide over each other easily because there are only weak forces between them, making graphite slippery, soft and good lubricant .

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Similar questions

Name a metal which is soft and a non-metal which is hard.

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.

Graphite is a soft lubricant extremely which is difficult to melt. What is the reason for this anomalous behaviour?

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