Is burning of paper and wood a chemical or physical change
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the burning of paper is a chemical change. The paper burns in air to form smoke and ash. Many times in a chemical change, the substances can't be
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Burning of paper- chemical change since carbon dioxide, water vapours, smoke and ash which are the products of combustion cannot be converted back into paper or wood by any physical method.
Burning of wood-the carbon in the wood reacts with oxygen in the air to create ash and smoke, and energy in the form of light and heat. This is a permanent change that cannot be undone – you cannot turn ashes back into wood.
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