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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.

1 Answer

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(a) Iodine 

(b) Bromine 

(c) Graphite 

(d) Carbon 

(e) Sulphur, phosphorus 

(f) Oxygen

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