ZyadHani ZyadHani
  • 02-03-2016
  • Chemistry
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what are three signs that a chemical change has taken place

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Аноним Аноним
  • 02-03-2016
three signs that a chemical change has taken place is 1) color change 2) formation of gas bubbles 3) a change in temperature ( if you have ever bleached your hair the reason why it is warm to the touch is because of a chemical reaction)
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