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What is a chemical change?

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Chemical change is the process where a single or several substances change to new substances whose chemical properties differ, typically turning the change irreparable. It is a type of change that includes breaking and forming chemical bonds, frequently going hand in hand with heat, light, the production of gases, or the change in color.

Characteristics of Chemical Change:

  1. The formation of a new substance takes place
  2. Often irreversible 
  3. Change in energy occurs

Example - 

  1. Burning of woods
  2. Rusting of iron
  3. Curding of milk
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Divya Sharma

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