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Physical and chemical changes

Quiz by Diana Abenes

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20 questions
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  • Q1
    Which of the following is an example of a chemical change?
    Boiling water
    Dissolving sugar in water
    Rusting of iron
    Melting of ice
    30s
  • Q2
    What happens during a physical change?
    The substance's appearance changes but its chemical composition remains the same
    A new substance is formed
    Energy is released
    An irreversible reaction occurs
    30s
  • Q3
    Which of the following is NOT a chemical change?
    Rusting metal
    Baking a cake
    Burning paper
    Chopping wood
    30s
  • Q4
    Which process is an example of a chemical change?
    Fermentation of grapes
    Crushing berries
    Freezing water
    Cutting vegetables
    30s
  • Q5
    What occurs when you mix vinegar and baking soda?
    The color changes only
    A chemical change happens, producing carbon dioxide gas
    It's just a physical mixture
    The temperature drops without any reaction
    30s
  • Q6
    What type of change is boiling water?
    Physical change
    Chemical change
    Nuclear change
    Biological change
    30s
  • Q7
    Which of the following is an example of a physical change?
    Dissolving salt in water
    Burning wood
    Digesting food
    Rusting of iron
    30s
  • Q8
    What describes a chemical change?
    It can be easily reversed
    It does not involve a temperature change
    It only changes the size of an object
    It produces a new substance with different properties
    30s
  • Q9
    Which of the following is an indication of a chemical change?
    Dissolving a solid
    Change of color without other signs
    Production of gas
    Change of state
    30s
  • Q10
    What is a sign that a chemical change has occurred?
    A color change accompanied by gas production
    The substance melts
    The substance freezes
    The substance dilutes in water
    30s
  • Q11
    Which of the following is a physical change?
    Burning paper
    Melting ice
    Digesting food
    Rust forming on metal
    30s
  • Q12
    What happens during a chemical change?
    The shape of an object changes
    The size of an object changes
    The color of an object changes
    New substances are formed
    30s
  • Q13
    Which of the following is NOT a sign of a chemical change?
    Temperature change
    Freezing water
    Gas production
    Color change
    30s
  • Q14
    Why is burning wood considered a chemical change?
    It changes shape
    It changes color
    It produces ash and smoke
    It gets hot
    30s
  • Q15
    What is an example of a chemical change?
    Dissolving sugar in water
    Baking a cake
    Melting butter
    Chopping an apple
    30s

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