Question

Boojho Appeared In Class Test Where He Wrote Some Statements But He Confused To Know The Incorrect Statement. Would You Help Him To Know That?
1 ln a chemical change heat, light or both are generally given out or absorbed.
2 Iron utensils when exposed to moist air get gradually coated with reddish brown coating called rust.
3 A process of separating a pure substance in the form of crystals from the hot saturated solution by cooling is called crystallization.
4 None of the above
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Answer 1

Answer:

and it up on your dp the meeting is what I am coming to