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Reactivity - Quiz 1

Quiz by Mr Lee

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10 questions
Show answers
  • Q1
    Reactivity is...
    Question Image
    the formation of new compounds
    the ease with which a substance will react with another substance
    changing the physical state of a substance
    doing an activity twice
    30s
  • Q2
    When water is heated to form steam this process is called...
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    boiling
    evaporation
    cooling
    condensing
    30s
  • Q3
    When water is cooled to form ice this process is called...
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    evaporation
    boiling
    freezing
    cooling
    30s
  • Q4
    Melting chocolate is a...
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    physical change
    chemical change
    30s
  • Q5
    The rusting of iron is a...
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    chemical change
    physical change
    30s
  • Q6
    A physical change is always...
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    not easily reversible and involves the formation of no new substances
    easily reversible and involves the formation of no new substances
    easily reversible and involves the formation of new substances
    not easily reversible and involves the formation of new substances
    30s
  • Q7
    Chemical changes...
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    do not involve the formation of new substances and are easily reversed.
    always involve the formation of one or more new substances and are easily reversed.
    do not involve the formation of new substances and are not easily reversed.
    always involve the formation of one or more new substances and are not easily reversed.
    30s
  • Q8
    Chemical changes usually involve at least one of the following...
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    a change in appearance, a detectable energy change, the production of a gas
    a change in pH, a detectable energy change, the production of a gas
    a change in appearance, a detectable energy change, the production of a liquid
    a change in appearance, a detectable gas, the production of a flame
    30s
  • Q9
    When metals react with oxygen they form...
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    a metal carbonate
    a metal oxide
    a metal sulphate
    a metal chloride
    30s
  • Q10
    Ionic compounds such as sodium chloride a formed by the attractive forces between...
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    positively charged metal ions and negatively charged non-metal ions
    positively charged metal ions and positively charged non-metal ions
    positively charged non-metal ions and negatively charged metal ions
    negatively charged non-metal ions and negatively charged metal ions
    30s

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