Chemistry, asked by Sable, 1 year ago

Which of the following does not represent a chemical change?
(i) Burning of biogas
(ii) Photosynthesis
(iii) Crystallisation
(iv) Rusting of iron

Answers

Answered by Mamtapadma
2
i) Chemical change
ii) Chemical change
iii) Physical Change
iv) Chemical change

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Mamtapadma: Hence Crystallization does not represent chemical change!
Answered by mandalneha753
0

Answer:

which of the following does not represent a change

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