What is a chemical change
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Posted by Rudra Pratap Singh 7 years, 10 months ago
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Yogita Ingle 7 years, 10 months ago
When a new substance is formed after the change, it is called chemical change. Chemical changes cannot be reversed by simple physical means. Many chemical changes are irreversible. Examples: Burning of candle, rusting of iron, charcoal burns, molecules of oxygen from the air bond with the carbon in the coal etc.
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