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Which of the following is a clue of a chemical change? A. iron changes color when heated B. gas bubbles form in boiling water C. balls of wax form when melted wax is poured into…

Which of the following is a clue of a chemical change? A. iron changes color when heated B. gas bubbles form in boiling water C. balls of wax form when melted wax is poured into…
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Which of the following is a clue of a chemical change?

A. iron changes color when heated
B. gas bubbles form in boiling water
C. balls of wax form when melted wax is poured into ice water
D. a gas forms when vinegar and baking soda are mixed

User LittleFunny
by
8.4k points

2 Answers

0 votes
The answer is D. a gas forms when vinegar and baking soda are mixed.
User Inyoung
by
8.6k points
4 votes
D.
A is light energy
B is change of state
C is also change of state
D is only one where atoms are rearranged into new chemicals
User VitalyVal
by
8.3k points
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