which of these is an indication that a chemical reaction has occurred?
(A) melting of a substance
(B) boiling of a substance
(C) formation of a precipitate
(D) freezing of a substance
Answers
Answered by
6
I think option no. c) formation of a precipitation is right answer ..
Hope it will be helpful for you
Hope it will be helpful for you
Answered by
5
the correct answer is c.
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