Chemistry

9th

grade

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Chemistry ( 9 IGCSE)Reactivity series of metals

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21 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Which statement is correct?

    Cu reacts with steam to liberate hydrogen

    Magnesium is more reactive than calcium

    Potassium reacts with water to form hydrogen gas

    Sodium oxide can be reduced by carbon to form sodium

  • 2. Multiple Choice
    45 seconds
    1 pt

    Which substances do not react together?

    Zinc and dilute HCl

    Cu and dilute HCl

    Na and water

    Ca and water

  • 3. Multiple Choice
    45 seconds
    1 pt

    Oxide of element X can be reduced by carbon. But element X does not react with steam or dilute HCl . What is X?

    Cu

    Mg

    Zn

    Fe

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