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16 questions
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  • Q1
    Which of the following is an example of a chemical change?
    Burning wood
    Cutting paper
    Pulling a rubber band
    Melting ice
    30s
  • Q2
    Which of the following is an example of a physical change?
    Digesting food
    Crushing a can
    Baking a cake
    Rusting of iron
    30s
  • Q3
    When a metal reacts with an acid, what type of change does it undergo?
    Phase change
    Mechanical change
    Physical change
    Chemical change
    30s
  • Q4
    What happens during a chemical reaction?
    The total mass of the substances involved remains constant
    Only physical properties of substances change
    Bonds between atoms are broken and new bonds are formed
    No energy is involved
    30s
  • Q5
    Which of the following is a characteristic of a chemical change?
    Change in shape
    Change in temperature
    Change in texture
    Formation of gas
    30s
  • Q6
    Which of the following is an example of a physical change?
    Cooking an egg
    Burning a candle
    Rusting a metal
    Melting ice
    30s
  • Q7
    When iron rusts, what type of change does it undergo?
    Biological change
    Chemical change
    Nuclear change
    Physical change
    30s
  • Q8
    Which of the following is not a characteristic of a chemical change?
    Formation of new substances
    Release or absorption of heat
    Changing the shape or size of a substance
    Change in color or odor
    30s
  • Q9
    Which of the following is a chemical property?
    shape
    color
    size
    reactivity
    30s
  • Q10
    Which of the following is an example of a physical property?
    melting point
    reactivity
    flammability
    oxidation
    30s
  • Q11
    Which of the following is a physical property?
    density
    toxicity
    corrosiveness
    reactivity
    30s
  • Q12
    What is the definition of mass?
    The amount of matter in an object (how heavy it is)
    The color of an object
    The force of gravity on an object
    The speed of an object
    30s
  • Q13
    Which of the following best defines density?
    The force exerted on an object due to gravity
    The ability of an object to conduct electricity
    The amount of light an object reflects
    The amount of matter in a given volume. Determines whether object float
    30s
  • Q14
    Which of the following best defines volume?
    The height of a substance or object
    The amount of space that a substance or object occupies
    The color of a substance or object
    The weight of a substance or object
    30s
  • Q15
    What is the phase change in which a substance changes from a liquid to a gas?
    Melting
    Condensation
    Evaporation / Vaporization / Boiling
    Sublimation
    30s

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