new substance is formed example mind map
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The most important sign that a chemical reaction occurs is the formation of new substances. The new substances are carbon, a brittle black solid, and water vapor, a colorless gas. The properties of these new substances are not at all like the properties of sugar and sulfuric acid.
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Answer:
The most important sign that a chemical reaction occurs is the formation of new substances. The new substances are carbon, a brittle black solid, and water vapor, a colorless gas. The properties of these new substances are not at all like the properties of sugar and sulfuric acid.
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