Airetta Airetta

20-02-2015
Chemistry

Answered

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

Answer :

20-02-2015

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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Аноним Аноним

20-02-2015

burning magnesium ribbon

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