Question

DIFFERENCE BETWEEN PHYSICAL CHANGE AND CHEMICAL CHANGE 5 POINTS

Answer 1

Answer:

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Some example 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. Physical change is easily reversible i.e original substance can be recovered. ... In physical change, no new substance is formed.

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Answer 2

Answer:

Physical change:-

1. physical changes are reversible
2. physical changes are reversible during a physical change there is no change in weight
3. no new substance are formed during a physical change

no new substance are formed during a physical change example:- ice on melting changes into water and this water on freezing changes back to ice .

Chemical change:-

1. chemical changes cannot be reversed easily
2. there is an Apparent change in weight
3. new substances are formed during a chemical change
4. properties of a new substance is entirely different

example:- rusting of iron

... hope this helps you ....