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20. A chemical change for a piece of metal would be

Mark only one oval.
A)being bent in half.
B)getting cut into two pieces.
C)being painted.
D)getting rusty.

2 Answers

3 votes

Answer: D: getting rusty

Step-by-step explanation:

The rusting of iron is a chemical change because it is two substances reacting together to make a new substance.

User Caster Troy
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3 votes

Answer:d

Step-by-step explanation:

User Warren Chu
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