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17 March, 05:14

Matter can undergo both chemical and physical changes. What indicates that the change was definitely

chemical?

The temperature changed.

A precipitate formed

The color changed.

A gas formed.

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Answers (1)
  1. 17 March, 08:05
    0
    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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