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10 questions
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  • Q1
    A mixture of beads was placed in a container, as shown below. The beads are of various sizes, and each one is made of plastic, glass, or steel. The mixture would be easy to separate because all the beads —
    are attracted to a magnet
    have the same mass
    are solids
    are less dense than water
    30s
    5.5a
  • Q2
    Which of these is not soluble in water?
    Oil
    Salt
    Honey
    Sugar
    30s
    5.5a
  • Q3
    A teacher wears protective gloves to lift a metal pan filled with boiling water from a hot plate. Why are the protective gloves necessary?
    The metal pan conducts thermal energy.
    The metal pan creates thermal energy.
    The metal pan reduces thermal energy
    The metal pan insulates thermal energy.
    30s
    5.5a
  • Q4
    A student observes ice forming on the edge of a school building. At what temperature did the water outside the school building most likely begin to change to ice?
    32°C
    25°C
    0°C
    100°C
    30s
    5.5b
  • Q5
    A way or technique of separating mixtures which involves using a magnet to attract another magnetic object away from the substance it is in.
    Separating Funnel
    Filtration
    Winnowing
    Magnetism
    30s
    5.5b
  • Q6
    A way or technique of separating mixtures which process involves heating the solution until the solvent evaporates (turns into gas) leaving behind the solid residue.
    Evaporation
    Separating Funnel
    Winnowing
    Magnetism
    30s
    5.5b
  • Q7
    A student made a mixture using equal amounts of salt and pepper. The salt grains were the same size as the pepper grains. What should the student do to most easily separate the pepper from the salt?
    Put the mixture in water and filter the pepper out of the water
    Use a strainer with a fine wire screen to remove the pepper
    Use a pair of tweezers to remove each grain of pepper
    Run a small magnet through the mixture to attract the pepper
    30s
    5.5c
  • Q8
    Some people add sugar to their hot tea. Which property of the sugar remains the same when the sugar is in the tea solution?
    The texture of the sugar
    The taste of the sugar
    The size of the sugar crystals
    The color of the sugar
    30s
    5.5c
  • Q9
    Some ways to separate mixtures are listed below. A student is given a beaker containing gravel and water. Which of these ways could the student NOT use to separate the gravel from the water?
    Question Image
    4
    1
    2
    3
    30s
    5.5c
  • Q10
    Why is a solution considered a homogeneous mixture?
    Its components are distributed evenly.
    It is usually a liquid.
    It can be diluted or concentrated.
    Its contains a solute and solvent.
    30s
    5.5c

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