1. Which of the following is a chemical change?

Folding a piece of paper
Cutting a piece of paper
Burning a piece of paper
Tearing a piece of paper

2. I pasted a picture of it.


1.) Burning a piece of paper is a chemical change. 2.) The amount of salt is the independent variable because it's being changed.

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I would say the answer to your Question it is Burning a piece of paper

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