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Final Review

Quiz by Demetris Riddles

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40 questions
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  • Q1
    Which characteristic distinguishes a molecule from an atom?
    Molecules are bonded together
    Molecules are the smallest unit of a pure substance
    Molecules are positive
    Molecules are composed of subatomic particles
    30s
  • Q2
    The students mixed vinegar and baking soda and bubbles formed and producing a gas. If they measured the mass of the substance at the beginning and had 20g, what would be the mass after the chemical reaction?
    Less than they had initially because the gas left the flask similar to evaporation
    More than they had initially because the gas would stay in the flask
    30s
  • Q3
    Which of the following best describes a chemical change?
    Liquid Evaporated
    Liquid remained clear
    Bubbling and fizzing
    30s
  • Q4
    Sarah has two glasses, filled with water and adds 1 ice cube to each glass. In the first glass, the ice cube sunk and in the second glass, floated. What best describes the conclusion?
    Higher densities will float on top of lower density solutions
    Low densities will float on top of higher density solutions
    30s
  • Q5
    You mix two solutions together and your left with a solid white substance after all the liquid is gone. What best describes the original substance?
    Mixture that went through a physical change
    Mixture that went through a chemical change
    30s
  • Q6
    What are the properties of Ca, BA and Li?
    They are metals
    They are metalloids
    30s
  • Q7
    Sugar and Sand is what type of Mixture:
    Heterogeneous Mixture
    Homogeneous Mixture
    30s
  • Q8
    Sugar and water is what type of mixture:
    Homogeneous Mixture
    Heterogeneous Mixture
    30s
  • Q9
    Rusting is similar to which type of reaction?
    Melting Ice Cream
    Burning Wood
    Breaking a bat
    30s
  • Q10
    As you go from the bottom to the top of the states of matter diagram, what happens to the motion of particles?
    They speed up and energy is added
    They slow down and energy is removed
    30s
  • Q11
    Which state of matter has particles that are tightly packed and moves the slowest?
    Solid
    Liquid
    30s
  • Q12
    Which state of matter shows particles that slide past one another?
    Solid
    Liquid
    30s
  • Q13
    Which is a chemical property of matter?
    Density
    Reactivity
    Melting
    30s
  • Q14
    Increasing the temperature causes:
    A physical change and particles speed up
    A Chemical change and particles slow down
    30s
  • Q15
    Which is a not physical property of matter?
    It made sparks when dropped
    It turned Blue
    Has a mass of 23g
    30s

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