hallkayleel0lozgxtq hallkayleel0lozgxtq

22-10-2018
Chemistry

contestada

which of these is an indication that a chemical reaction has occured?

A. melting of a substance
B. boiling of a substance
C. formation of a precipitate
D. freezing of a substance

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liabeebee7 liabeebee7

22-10-2018

I believe the answers is C

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kmisure kmisure

07-12-2018

c) formation of a precipitate

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