State true or false.
Diamond and iodine are non-metals which are lustrous.

True

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False

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Solution

The correct option is A True
Metal or non-metal is said to be lustrous when it has a shiny appearance.
Generally, metals show this property.
Diamond and iodine being non-metals show this property because of their crystal structure.
Therefore, option A is correct.

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Similar questions

Match the entries of column I with column II.

Material	Exception
(a) Iodine (Non-metal)	(i) Exists in liquid state
(b) Diamond (Non-metal)	(ii) Conducts electricity
(c) Mercury (Metal)	(iii) Lustrous
(d) Graphite (Non-metal)	(iv) Hardest natural substance

Iodine is a lustrous non-metal.

Why is iodine lustrous despite being a non metal

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