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Questions and Answers
Which of the following best describes a mixture?
Which of the following best describes a mixture?
- A combination of two or more substances that are not chemically bonded (correct)
- A pure substance made up of only one type of atom or molecule
- A chemical reaction that produces new substances
- A substance with a fixed composition and distinct properties
What is the difference between a homogeneous mixture and a heterogeneous mixture?
What is the difference between a homogeneous mixture and a heterogeneous mixture?
- A homogeneous mixture cannot be separated by physical means, while a heterogeneous mixture can be separated by physical means
- A homogeneous mixture is a pure substance, while a heterogeneous mixture is a mixture of substances
- A homogeneous mixture is made up of only one type of substance, while a heterogeneous mixture is made up of multiple substances
- A homogeneous mixture has a uniform composition throughout, while a heterogeneous mixture has a non-uniform composition (correct)
Which of the following is an example of a heterogeneous mixture?
Which of the following is an example of a heterogeneous mixture?
- Saltwater
- Sand and water (correct)
- Air
- Sugar dissolved in water
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