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Question

Which of the following has a high ignition temperature?


A

Coke

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B

Coal tar

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C

Coal gas

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D

Petroleum

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Solution

The correct option is B

Coal tar


Anthracite coal has a high ignition temperature. Anthracite is referred to as hard coal. It has highest carbon content, fewest impurities and highest energy density of all types of coal except for graphite, and it is the best quality of coal.


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