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Question
____ is a good conductor of electricity.
____ is a good conductor of electricity.
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Solution
The correct option is D Graphite
Graphite is a good conductor of heat and electricity. Thus, it can be used in electric arc lamp electrodes. Charcoal, soot and lampblack are the amorphous allotropes of carbon but unlike graphite, these allotropic forms do not conduct heat and electricity. Diamond also does not conduct heat and electricity.
Graphite
Graphite is a good conductor of heat and electricity. Thus, it can be used in electric arc lamp electrodes. Charcoal, soot and lampblack are the amorphous allotropes of carbon but unlike graphite, these allotropic forms do not conduct heat and electricity. Diamond also does not conduct heat and electricity.
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