KimberlyRondell KimberlyRondell

15-06-2015
Physics

contestada

Which of the following represents a chemical change to matter? A. digestion of food B. melting an ice cube C. shredding paper D. crushing an ice cube

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lulu1991 lulu1991

18-06-2015

The answer is A. digestion of food. The chemical change to matter means that the molecule structure has been destroyed. For B, C and D. the matter are still ice, paper and ice. So they are physical change.

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