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26-03-2019
Chemistry

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How do you know when a chemical reaction has taken place?

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26-03-2019

Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color chage, formation of a precipitate, formation of a gas, odor change, temperature change.

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26-03-2019

When the color or compound has completely changed into something different

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