anonymous
  • anonymous
PLEASE HELP I WILL FAN AND MEDAL 7. which of the following is an example of a chemical change? A. iron changing color when heated B. gas bubbles forming in boiling water C. balls of wax forming when melted wax is poured into ice water D. a gas forming when vinegar and baking soda are mixed. 8. A substance that has high reactivity A. easily combines chemically with other substances B. burns in the presence of water C. displaces dissolved oxygen D. has a high boiling point
Biology
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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jabez177
  • jabez177
Medal* but okay. :) xD
BioEpic
  • BioEpic
For the first one, the answer would be D because that is the only one where a chemical reaction occurs For the second question it is A because a reactive substance will combine chemically with others
anonymous
  • anonymous
Thank you @BioEpic

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BioEpic
  • BioEpic
Mhm no problem! Got more questions?
anonymous
  • anonymous
Yes I do. would you care to help me?
anonymous
  • anonymous
@BioEpic
BioEpic
  • BioEpic
Sure, just post them as separate questions

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