what is chemical change
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The change in which new substance are formed are called chemical change.
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A chemical change is the one in which the formation of one or more new substances takes place. The new substance formed has different chemical composition and properties from that of the substance from which it is formed. For example, when lime is added to water, the temperature of water increases and water almost starts boiling. A substance called slaked lime is produced during this change. Hence, it is a chemical change.
The following chemical equation can be used to represent the chemical change.
CaO + H2O → Ca(OH)2 + Energy
Lime Water Slaked lime
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