Which of these is not an example of a physical change? a. a nail rusting b. a rock cracking c. blowing up a balloon d. stretching a piece of clay

asked Jun 24, 2017 117k views

2 votes

Which of these is not an example of a physical change?

a. a nail rusting
b. a rock cracking
c. blowing up a balloon
d. stretching a piece of clay

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2 votes

a. a nail rusting is not a physical change its a chemical change

Ko Ga answered Jun 25, 2017

by Ko Ga

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2 votes

a nail rusting is an example of chemical change as the iron is oxidized to become rust. This is not a physical change.

Phil Huhn answered Jun 28, 2017

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