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Questions and Answers
What is a mixture?
What is a mixture?
- A substance that cannot be separated into simpler substances by physical methods
- A combination of two or more substances that are not chemically combined (correct)
- A compound formed by the chemical combination of two or more elements
- A pure substance with a fixed composition
What is a pure substance?
What is a pure substance?
- A compound formed by the chemical combination of two or more elements
- A substance with a fixed composition and distinct properties (correct)
- A substance that can be separated into simpler substances by physical methods
- A combination of two or more substances that are not chemically combined
What is a compound?
What is a compound?
- A mixture of elements and compounds
- A pure substance with a fixed composition
- A substance formed by the chemical combination of two or more elements (correct)
- A combination of two or more substances that are not chemically combined
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