Which of these is an indication that a chemical reaction has occurred? 1) melting of a substance 2) boiling of a substance 3) formation of a precipitate 4) freezing of a substance

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asked Aug 22, 2020 131k views

2 votes

Which of these is an indication that a chemical reaction has occurred?

1) melting of a substance

2) boiling of a substance

3) formation of a precipitate

4) freezing of a substance

Physics
middle-school

Caleb Prenger asked

by Caleb Prenger

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1 Answer

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If the reaction forms a new substance it's a chemical reaction.

Lambsubstitute answered Aug 28, 2020

by Lambsubstitute

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