Question

short define of physical change and chemical change​

Answer 1

Answer:

changes done by physically is called physical change or changes done by chemically is called chemical change.

Answer 2

$\huge{\underline{\underline{Physical\:Change}}}$

A change in which a substance undergoes a change in shape,size or state is called a physical change.

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• In a physical change, no new substance is formed.
• In a physical change,no change in masses of the substances involved in changes taking place.

$\huge{\underline{\underline{Chemical\:Change}}}$

A change in which a new substance is formed is called a chemical change.

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• Formation of a participate.
• Absorption or evolution of heat energy.