how do you know if a chemical reaction is present

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10-03-2020
Chemistry

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how do you know if a chemical reaction is present

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CataclysmicMoon CataclysmicMoon · Answer 1 · 2020-03-10T05:50:50+01:00

Answer:When two or more reactants are mixed and a change in temperature, color, etc. is noticed, a chemical reaction is probably occurring. However, these are not definite indicators.

Explanation: In a chemical reaction, there is a change in the composition of the substances. The following are indicators of chemical changes:

Change in Temperature

Change in Color

Noticeable Odor (after reaction has begun)

Formation of a Precipitate

Formation of Bubbles