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Questions and Answers
Which of the following best defines a mixture in the context of grade 6?
Which of the following best defines a mixture in the context of grade 6?
- A combination of two or more substances that are not chemically combined. (correct)
- A substance made up of two or more elements chemically combined.
- A pure substance made up of only one type of particle.
- A substance that cannot be broken down into simpler substances.
What is the main difference between a mixture and a pure substance?
What is the main difference between a mixture and a pure substance?
- A mixture is made up of elements, while a pure substance is made up of compounds.
- A mixture is made up of two or more substances, while a pure substance is made up of only one type of particle. (correct)
- A mixture is always a liquid, while a pure substance can be a solid, liquid, or gas.
- A mixture cannot be broken down into simpler substances, while a pure substance can.
Which of the following is an example of a mixture?
Which of the following is an example of a mixture?
- Air (correct)
- Salt
- Water
- Oxygen gas
Which of the following best describes a heterogeneous mixture?
Which of the following best describes a heterogeneous mixture?
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Which of the following best defines a solvent?
Which of the following best defines a solvent?
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Which of the following is an example of a homogenous mixture?
Which of the following is an example of a homogenous mixture?
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