Social Sciences, asked by rennatomar, 1 month ago

what is chemical and physical changes​

Answers

Answered by bhamreyutika
3

Explanation:

A physical change is any change in a substance's form that does not change its chemical makeup. Examples of physical changes are breaking a stick or melting ice. A chemical change, or chemical reaction, occurs when atoms of a substance are rearranged, and the bonds between the atoms are broken or formed.

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Answered by samiramishra
5

Physical Change-:

  • the change that involve by change in the physical properties of a substance such a change of state change in texture change instant save size colour volume density are called physical change.
  • temporary change
  • no new substance formed in physical change.
  • some example of physical changes are stretching of a rubber band melting of wax etc .
  • almost all physical change or temporary.
  • most physical change or reversible.

Chemical Changes -:

  • colourful light of burning cracker dazzling in the sky at night during a celebration rest on iron article and rusting of iron or example of physical change.
  • the change that involve by change in the composition and chemical property of substance called chemical change.
  • in chemical change new substances formed.
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