Question

Physical and chemical changes
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Answer 1

phsical change is a temporary change .

properties of the ordinary substance remains the same.

no mew substance formed eg evaporation boiling etc

chemical change is a permanent change.

properties of the oringinal substance changes.

new substance formed eg ripening of a fruit rusting of iron etc.

hope it will help you

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Answer 2

Difference between Physical & Chemical change.

Pʜʏsɪᴄᴀʟ ᴄʜᴀɴɢᴇ:

[1] Change is temporary.

[2] No new product is formed.

[3] It only effect physical properties.

[4] Ex: Burning of wax.

Cʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇ:

[1] Change is permanent.

[2] New product is formed.

[3] It effect both physical & chemical properties.

[4] Ex: Melting of wax.