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Year 5:- Unit 3- End of Lesson 18

Quiz by Gayle Ruddick

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10 questions
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  • Q1

    What is a reversible reaction also known as?

    physical reaction

    chemical reaction

    irreversible reaction

    30s
  • Q2

    What is an irreversible reaction also known as?

    physical change

    irreversible reaction

    chemical change

    30s
  • Q3

    What type of reaction has occurred if a change of state has happened?

    reversible reaction

    irreversible reaction

    30s
  • Q4

    What type of reaction has occurred if a gas has been given off?

    irreversible reaction

    reversible reaction

    30s
  • Q5

    Which of the following is a reversible change?

    frying an egg

    melting chocolate

    30s
  • Q6

    Which of the following is an irreversible change?

    dissolving

    burning

    melting

    evaporating

    30s
  • Q7

    if a substance dissolves, we say that it is __________

    insoluble

    soluble

    30s
  • Q8

    Water resistance is a type of _____

    newton

    gravity

    friction

    weight

    30s
  • Q9

    What do you call a shape that moves easily through water?

    smooth

    waterproof

    absorbent

    streamlined

    30s
  • Q10

    On a smoother surface the friction ___________

    disappears

    stays the same

    increases

    decreases

    30s

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