Burning of coal is an example of physical chemical changes
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Burning of coal, wood or leaves is also a chemical change. In fact, burning of any substance is a chemical change. Burning is always accompanied by production of heat.
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a physical change, no new substance is formed. A chemical change is always accompanied by one or more new substances. When burned, the carbon is converted to carbon dioxide and the hydrogen to water. ... This process cannot be reversed and hence, the burning of coal is a chemical chang
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