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Question 9(a) ___ is a material that burns in the presence of oxygen to release carbon dioxide and a large amount of energy.(b) Which among the given fuels would result in the least amount of residue on burning?1. Coal2. LPG3. Petrol

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Question 9



(a) ___ is a material that burns in the presence of oxygen to release carbon dioxide and a large amount of energy.



(b) Which among the given fuels would result in the least amount of residue on burning?



1. Coal



2. LPG



3. Petrol





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