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Irreversible Changes

Quiz by D Westwood

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10 questions
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  • Q1
    Is melting a reversible or irreversible change?
    Irreversible Change
    Reversible Change
    45s
  • Q2
    What type of change is rusting?
    Irreversible change
    Reversible change
    45s
  • Q3
    Which change is irreversible?
    Frying an egg
    freezing water to make ice
    melting chocolate
    dissolving salt in water
    45s
  • Q4
    Which change is reversible?
    making toast from bread
    baking a cake
    melting ice to make water
    leaving a nail in the rain to rust
    45s
  • Q5
    Which material will NOT dissolve in water?
    salt
    instant coffee
    cooking oil
    sugar
    45s
  • Q6
    What is the scientific word for something that does NOT dissolve in water?
    insoluble
    filtration
    solution
    irreversible
    45s
  • Q7
    Burning and cooking are examples of what type of change?
    irreversible
    reversible
    45s
  • Q8
    What is an example of a reversible change?
    rusting
    burning
    baking
    evaporation
    45s
  • Q9
    What would make a solid dissolve more quickly?
    using bigger chunks of the solid
    cooling the water
    stirring more quickly
    45s
  • Q10
    True or False - an irreversible change is where a material cannot be returned to its original form
    True
    False
    45s

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