Chemistry, 29.07.2019 09:00 nene3210204

Which of the following is a clue of a chemical change? a. gas bubbles form in boiling water b. a gas forms when vinegar and baking soda are mixed c. balls of wax form when melted wax is poured into ice water d. iron changes color when heated

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Which of the following is a clue of a chemical change? a. gas bubbles form in boiling water b. a...

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