Chemistry Questions On Mixtures! 7th Grade Trivia Quiz

49 Questions | Total Attempts: 662

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Chemistry Questions On Mixtures! 7th Grade Trivia Quiz - Quiz

Mixtures can occur in different forms, and sometimes they create a solution that can be separated and other times the separation is not so easy. What have you learned so far about mixtures from your 7th-grade science class? Take up the test below and see if you need some more study hours or have all the knowledge on mixtures.


Questions and Answers
  • 1. 
    A mixture is ...
    • A. 

      A pure substancae

    • B. 

      Two or more substances mixed together

  • 2. 
    Which of the following are homogeneous mixtures?
    • A. 

      Water

    • B. 

      Rocky road ice cream

    • C. 

      Shampoo

    • D. 

      Oatmeal

  • 3. 
    Which of the following are mechanical mixtures?
    • A. 

      Chocolate bar with almonds

    • B. 

      Chocolate milk

    • C. 

      Flat pop

    • D. 

      Orange juice with pulp

  • 4. 
    What happens when you try to make a solution of salt and oil?
    • A. 

      It becomes a homogeneous solution, the salt dissolves into the oil

    • B. 

      It becomes a heterogeneous mixture, the salt doesn't dissovle into the oil

    • C. 

      The oil can only dissolve a little bit of salt

  • 5. 
    The formula for finding density is:
    • A. 

      The volume divided by the mass.

    • B. 

      The mass multiplied by the volume.

    • C. 

      The mass divided by the volume.

    • D. 

      The volume multiplied by the mass.

  • 6. 
    You have two plastic vials. One contains 40ml of water and the other contains 40ml of alcohol. Which statement is correct?
    • A. 

      Both vials have the same denisty.

    • B. 

      Both vials have the same volume.

    • C. 

      Both vials have the same mass.

    • D. 

      All of the above.

  • 7. 
    Mass is:
    • A. 

      The amount of matter in an object.

    • B. 

      The amount of matter in a small amount of space.

    • C. 

      The amount of matter plus the volume.

    • D. 

      The amount of matter that makes an object more dense.

  • 8. 
    The density of an object is a______________
    • A. 

      Chemical Property

    • B. 

      Combustible Property

    • C. 

      Physical Property

    • D. 

      Reactive Property

  • 9. 
    A pure substance always has ______ density when measured under _____ conditions.
    • A. 

      The same; different

    • B. 

      The same; the same

    • C. 

      A different; the same

    • D. 

      A different; different

  • 10. 
    A solution is a type of_________
    • A. 

      Matter

    • B. 

      Mixture

    • C. 

      Balance

    • D. 

      Combustibility

  • 11. 
    Which of the following does Not signal a chemical change?
    • A. 

      Change in state

    • B. 

      Production of gas

    • C. 

      Color change

    • D. 

      Production of light and heat

  • 12. 
    Given a solution of sugar and water, and water and pepper, which is true.
    • A. 

      If stired, the pepper would have the same solubility as sugar.

    • B. 

      Pepper is soluble in water, bur sugar is not.

    • C. 

      Sugar is soluble in water, but pepper is not.

    • D. 

      Sugar and peper have the same solubility

  • 13. 
    Other ____of substances, like color, size, and hardness, can be found without changing the substance into something else.
    • A. 

      Reactivity

    • B. 

      Physical properties

    • C. 

      Evaporation

    • D. 

      Chemical Properties

  • 14. 
    A ____ has a definite volume but no definite shape.
    • A. 

      Solid

    • B. 

      Liquid

    • C. 

      Gas

    • D. 

      Matter

    • E. 

      Density

  • 15. 
    A ____ does not have a definite volume or a definite shape.
    • A. 

      Gas

    • B. 

      Solid

    • C. 

      Liquid

    • D. 

      Volume

    • E. 

      Weight

  • 16. 
    A _____ has both a definite volume and shape.
    • A. 

      Liquid

    • B. 

      Solid

    • C. 

      Weight

    • D. 

      Gas

    • E. 

      Matter

  • 17. 
    You can divide the mass of an object by its volume to find the object's ______.
    • A. 

      Physical properties

    • B. 

      Solubility

    • C. 

      Reactivity

    • D. 

      Density

    • E. 

      Volume

  • 18. 
    All material that takes up space is called.
    • A. 

      Mass

    • B. 

      Matter

    • C. 

      Solubility

    • D. 

      Weight

    • E. 

      Volume

  • 19. 
    The amount of material in an object is called the object's _____.
    • A. 

      Physical properties

    • B. 

      Density

    • C. 

      Volume

    • D. 

      Weight

    • E. 

      Mass

  • 20. 
    You can measure the amount of space a solid object takes up, or the _____ of a solid object, by placing the object in a graduated cylinder with water and measuring how much water is displaced.
    • A. 

      Mass

    • B. 

      Density

    • C. 

      Volume

    • D. 

      Weight

    • E. 

      Solubility

  • 21. 
    Sometimes the ability to be dissolved, or ________, can be used to identify a substance.
    • A. 

      Solubility

    • B. 

      Matter

    • C. 

      Volume

    • D. 

      Liquid

    • E. 

      Gas

  • 22. 
    PH is a measure of ____ ions.
    • A. 

      Oxygen

    • B. 

      Hydrogen

    • C. 

      Hydroxide

    • D. 

      None of the above

  • 23. 
    Acids and bases can combine to create water and salts.
    • A. 

      True

    • B. 

      False

  • 24. 
    Neutral solutions have a pH of
    • A. 

      0

    • B. 

      7

    • C. 

      14

    • D. 

      A neutral solution does not have a pH

  • 25. 
    Which is NOT a property of a base?
    • A. 

      Sour taste

    • B. 

      Turns red litmus to blue

    • C. 

      Slippery

    • D. 

      Bitter taste

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