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Which of the following provides evidence that a chemical change has taken place?
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Which of the following provides evidence that a chemical change has taken place?

User Hugh Guiney
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2 Answers

6 votes
1,2, and 4 (which I assume was supposed to say 3)
User Igor Belo
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7.3k points
2 votes
1) Bubbles appear
2) Change of odour
4) A precipitate is formed
5)Change in temperature

User QQping
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