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Check all correct elements below that you included in your lab question.

Format: How can you distinguish A from B?

Comparison: physical changes vs. chemical changes

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A chemical change is one in which a new substance is formed.

What is a chemical change?

A chemical change is one in which a new substance is formed. We know that in a chemical change, there is an alteration in the composition of the substance but this does not occur in a physical change.

How can we know that a chemical change occurred?

  • There will be appearance of color
  • There will be appearance of a gas
  • There will be a change in temperature

All of these does not occur in a physical change. The substance may just be converted from one physical state to another.

Learn more about chemical change:https://brainly.com/question/23693316

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