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Question 30Non-metals are usually poor conductors of heat and electricity. They are non-lustrous; non-sonorous; non-malleable and are coloured.(a) Name a lustrous non-metal.(b) Name a non-metal which exists as a liquid at room temperature.(c) The allotropic form of a non-metal is a good conductor of electricity. Name the allotrope.(d) Name a non-metal which is known to form the largest number of compounds.(e) Name a non-metal other than carbon which shows allotropy.(f) Name a non-metal which is required for combustion.

Answer» Question 30

Non-metals are usually poor conductors of heat and electricity. They are non-lustrous; non-sonorous; non-malleable and are coloured.

(a) Name a lustrous non-metal.

(b) Name a non-metal which exists as a liquid at room temperature.

(c) The allotropic form of a non-metal is a good conductor of electricity. Name the allotrope.

(d) Name a non-metal which is known to form the largest number of compounds.

(e) Name a non-metal other than carbon which shows allotropy.

(f) Name a non-metal which is required for combustion.


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