Answers CHS Chemistry A Changes in Matter — Unit testQuestion 6

6

QuizMultiple Choice

Changes in Matter — Unit test

Question 6 • CHS Chemistry A

What is an example of a physical change?

Answer

A

having less ash than the paper that was burned to form it

B

ice forming and then melting back into water

C

rust having a different identity than the iron it forms on

D

the irreversible reaction of vinegar and baking soda

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