during combustion a substance forms flames although it is not necessary for it to give off heat is this true??
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- Sulphur is easily available in nature and can b*um in air to produce heat. However, it is not a fuel because on burning, it forms a poisonous ...
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Sulphur is easily available in nature and can b*um in air to produce heat. However, it is not a fuel because on burning, it forms a poisonous.
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