Which of the following is an example of a physical change?

How can you tell a chemical change has taken place when silver tarnishes?

What happens when the bonds between molecules break down or form?

What is it called when a substance changes to a different type of matter with different properties from those of the original substance?

Which of the following is an example of combustion?

Which of the following is NOT evidence that a chemical change has taken place?

Which of the following is an example of a physical change?

What is true of a physical change?

Which of the following is NOT a chemical change?

Which of the following is NOT a physical change

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