Categorize the following changes as Physical or Chemical changes. a) Paper towel absorbs water and gets wet b) A solid is crushed to a powder. c) A bicycle changes colour as it rusts. d) Two substances are mixed and light is produced.
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Answer:
b and c
Explanation:
Now so we crushed a solid into powder We cant chang it BACK
no it cant be possible by heating or freezing
we cant change a chemical change but rusting of iron is chemical change
Answered by
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Answer:
a) Physical change
b) Chemical change
c) Chemical change
d) Chemical change
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