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Questions and Answers
Which of the following best describes a physical change?
Which of the following best describes a physical change?
- A change that is irreversible using physical means.
- A change that only affects the form of a substance. (correct)
- A change that combines or breaks up substances to form new substances.
- A change that alters the chemical composition of a substance.
What can physical changes be used for?
What can physical changes be used for?
- Creating new substances.
- Changing the physical properties of a substance.
- Separating compounds into chemical elements.
- Separating mixtures into their component compounds. (correct)
Which of the following is an example of a physical property?
Which of the following is an example of a physical property?
- Change in chemical composition.
- Change in crystal form. (correct)
- Burning of a substance.
- Formation of new substances.
Can physical changes be reversed using physical means?
Can physical changes be reversed using physical means?
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How do physical changes differ from chemical changes?
How do physical changes differ from chemical changes?
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Which of the following best describes a physical change?
Which of the following best describes a physical change?
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Can physical changes be reversed using physical means?
Can physical changes be reversed using physical means?
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Which of the following is an example of a physical property?
Which of the following is an example of a physical property?
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What can physical changes be used for?
What can physical changes be used for?
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How do physical changes differ from chemical changes?
How do physical changes differ from chemical changes?
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