Mastering Mixtures
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Questions and Answers

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?

  • 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?

  • Saltwater
  • Sand and water (correct)
  • Air
  • Sugar dissolved in water

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