Combustion Carbon, in all its allotropic forms, burns in oxygen to give carbon dioxide along with the release of heat and light. Most carbon compounds also release a large amount of heat
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Why do substances burn with or without a flame? Have you ever observed either a coal or a wood fire? If not, the next time you get a chance, take close note of what happens when the wood
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Formation of coal and petroleum Coal and petroleum have been formed from biomass which has been subjected to various biological and geological processes. Coal is the remains of trees, fer
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Oxidation You have learnt about oxidation reactions in the first Chapter. Once we shall recall what we have learnt. If a substance gains oxygen during a reaction, it i
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Addition Reaction Unsaturated hydrocarbons add hydrogen in the presence of catalysts such as palladium or nickel to give saturated hydrocarbons. Catalysts are substances that cause a reaction to oc
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Substitution Reaction Saturated hydrocarbons are fairly unreactive and are inert in the presence of most reagents. However, in the presence of sunlight, chlorine is added to hydrocarbons in a very
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