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Pure substances and mixtures

Quiz by Kaitlin Hogenbirk

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9 questions
Show answers
  • Q1
    Which of the following best describes a pure substance?
    A combination of two different elements
    A substance made up of only one type of particle
    A mixture of different particles
    A substance with different properties
    30s
  • Q2
    Which of the following is an example of a mixture?
    Table salt
    Pure water
    Trail mix (containing nuts, raisins, and chocolate)
    Iron filings
    30s
  • Q3
    What is a characteristic of a pure substance?
    It has a variable composition
    It has a fixed melting point
    It changes color easily
    It can be separated into different components
    30s
  • Q4
    Which of the following best describes a mixture?
    A combination of two or more substances that are not chemically combined
    A pure element with uniform properties
    A compound formed by the bonding of different elements
    A single substance made up of only one type of particle
    30s
  • Q5
    Which of the following best describes a characteristic of a mixture?
    Components have a fixed ratio in the mixture
    Components are chemically bonded together
    Components cannot be physically separated
    Components can be unevenly distributed throughout the mixture
    30s
  • Q6
    Which of the following is an example of a pure substance?
    Diamond (composed of only carbon atoms)
    Concrete (a mixture of sand, gravel, and cement)
    Air (a mixture of gases)
    Seawater (a mixture of water and salt)
    30s
  • Q7
    What is the difference between a pure substance and a mixture?
    A pure substance is always a liquid, while a mixture can be a solid or a gas
    A pure substance is made up of only one type of particle, while a mixture consists of two or more substances that are physically combined.
    A pure substance can be separated into different components, while a mixture cannot be separated
    A pure substance has a variable composition, while a mixture has a fixed composition
    30s
  • Q8
    Which of the following best describes a pure substance?
    A combination of two different elements
    A substance with different properties
    A mixture of different particles
    A substance made up of only one type of particle
    30s
  • Q9
    What is the difference between an element and a compound?
    An element has a fixed composition, while a compound has a variable composition
    An element is always a solid, while a compound can be a liquid or a gas
    An element is a mixture, while a compound is a pure substance
    An element is made up of only one type of atom, while a compound is composed of two or more different types of atoms bonded together.
    30s

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