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Answer:

Physical changes are usually about physical states of matter. Chemical changes happen on a molecular level when you have two or more molecules that interact. Chemical changes happen when atomic bonds are broken or created during chemical reactions.

Explanation:

Example of an chemical reaction: explosion

Example of an physical reaction: Ice melting

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Examples of physical changes are freezing, melting(melting of ice cubes).

Examples of chemical changes are combustion, rusting of iron.

  • A physical change is a change that alters the physical properties of matter particularly the form and state.  In many cases, the change is easily reversible. Examples are freezing, melting(melting of ice cubes).
  • A chemical change is a change in which a new kind of matter is formed. It is always accompanied by energy changes which can either be evolution or absorption of heat or light or both.  The process is not reversible. Examples are combustion, rusting of iron, precipitation, e.t.c. An example of chemical change which we see in our daily life is the conversion of milk to curd.

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