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Question
Which of the following substances does not burn with a flame?
Which of the following substances does not burn with a flame?
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Solution
The correct option is D Charcoal
Liquefied petroleum gas (LPG), also referred to as simply propane or butane are flammable mixtures of hydrocarbon gases, used as fuel in heating and cooking equipment and produce a blue flame. Camphor gives a flame, which is widely used in worship. Charcoal, does not vaporise and so, does not produce a flame. The substances which evaporate during burning, give flames. Thus, option D is correct.
Liquefied petroleum gas (LPG), also referred to as simply propane or butane are flammable mixtures of hydrocarbon gases, used as fuel in heating and cooking equipment and produce a blue flame. Camphor gives a flame, which is widely used in worship. Charcoal, does not vaporise and so, does not produce a flame. The substances which evaporate during burning, give flames. Thus, option D is correct.
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