Science, asked by sujitsingh1258, 1 year ago

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

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Answered by riyansh5

4

Yes; new substances formed, as evidenced by the color changes and bubbles. Somesigns of a chemical change are a changein 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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