Question

Write any free difference between physical change
and chemical change​

Answer 1

Explanation:

Physical Change Chemical Change

When a substance undergoes a physical change, its composition remains the same despite its molecules being rearranged. When a substance undergoes a chemical change, its molecular composition is changed entirely. Thus, chemical changes involve the formation of new substances.

Physical change is a temporary change. A chemical change is a permanent change.

A Physical change affects only physical properties i.e. shape, size, etc. Chemical change both physical and chemical properties of the substance including its composition

A physical change involves very little to no absorption of energy. During a chemical reaction, absorption and evolution of energy take place.

Some examples of physical change are freezing of water, melting of wax, boiling of water, etc. A few examples of chemical change are digestion of food, burning of coal, rusting, etc.

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Answer 2

Answer:

, Physical changes: it is a temporary change

2. A physical changes effect physical properties

3. in a physical changes , is easily reversible

Explanation:

Chemical Changes: it is a permanent change

2. chemical Changes both physical and chemical properties of the substance including its composition

3. During a chemical reaction absorption and evolution of energy take place

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