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Science Test Review

Quiz by Aspen Verink

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23 questions
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  • Q1
    How can you tell when a chemical reaction has occurred?
    A new material forms.
    The materials sink to the bottom of the container they are being mixed in.
    The materials dissolve.
    30s
  • Q2
    How do you know when a solid and liquid have made a solution?
    The solution fizzes and bubbles.
    The solid disappears and mixes into the liquid.
    The solid sinks to the bottom of the container.
    The material floats to the top of the liquid after stirring.
    30s
  • Q3
    How much does 50ml of water weight?
    40 g
    100 g
    50 g
    5 g
    30s
  • Q4
    How do you know when a solution has become saturated?
    When the solid material evaporates.
    When you shake the solution.
    When the solid material dissolves.
    When the solid material will not dissolve anymore.
    30s
  • Q5
    How can you separate a solution of salt and water?
    Evaporate the solution to let the water turn into air and leave salt crystals behind.
    Use a screen like we used in class.
    Use a filter to separate the salt and water.
    30s
  • Q6
    When a chemical reaction occurs, what do we call the new material that forms?
    crystal
    solvent
    solute
    Precipitate
    30s
  • Q7
    When you open a can of soda and it fizzes, is that a chemical reaction?
    No
    Yes
    30s
  • Q8
    What is a SOLUTE?
    The solid material that we put in a liquid.
    The substance that the solid material will dissolve into.
    30s
  • Q9
    What is a SOLVENT?
    The substance that the solid material dissolves into.
    The solid material that we put in a liquid.
    30s
  • Q10
    More concentrated solutions weight...
    More
    Less
    The same as they started.
    30s
  • Q11
    How do you know if you have a mixture or solution?
    Mixtures can be easily separated with a screen or filter.
    Mixtures and solutions are exactly the same.
    Solutions look the same as a mixture.
    30s
  • Q12
    Are all solutions mixtures?
    Yes
    No
    30s
  • Q13
    Can a mixture be separated?
    Yes
    No
    30s
  • Q14
    Can a solution be separated?
    Yes
    No
    30s
  • Q15
    Is there a way to separate a dry mixture of salt, powder, and gravel?
    Yes
    No
    30s

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