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10 July, 02:01

Which process results in a chemical change?

A) Tearing tin foil

B) melting an iron bar

C) crushing an aluminum can

D) burning magnesium ribbon

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Answers (2)
  1. 10 July, 02:55
    0
    burning magnesium ribbon
  2. 10 July, 05:57
    0
    D) burning magnesium ribbon, as combustion is a chemical reaction so causes chemical change. The other 3 options do not involve reactions so there isn't a chemical change.
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