Physical Properties and Changes Quiz
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Questions and Answers

Which property of matter allows us to identify mystery chemicals?

  • Color
  • Boiling point
  • Density (correct)
  • Reactivity with water
  • What is the qualitative property related to the acidity or basicity of a substance?

  • Hardness
  • Viscosity
  • Melting point
  • pH level (correct)
  • Which property of matter refers to the ability to be stretched into thin sheets?

  • Ductility (correct)
  • Reactivity with Oxygen
  • Toxicity
  • Viscosity
  • Which chemical property relates to the explosiveness of a substance?

    <p>Reactivity with water</p> Signup and view all the answers

    What type of chemical property refers to the ability of a substance to change and react?

    <p>Reactivity with Oxygen</p> Signup and view all the answers

    What is the classification of Matter that includes both homogeneous and heterogeneous mixtures?

    <p>Solutions</p> Signup and view all the answers

    Which process involves breaking down compounds into elements?

    <p>Electrolysis</p> Signup and view all the answers

    What is the freezing point of water in Kelvin?

    <p>-273 K</p> Signup and view all the answers

    In the context of Science Skills, what is the rule for determining error allowance in measurements?

    <p>Error = 10% of the smallest demarcation</p> Signup and view all the answers

    Which of the following substances cannot be further broken down by chemical means?

    <p>Gold (Au)</p> Signup and view all the answers

    Which of the following is an example of a heterogeneous mixture?

    <p>Salt water</p> Signup and view all the answers

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