Science

9th

grade

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Redox Quizizz

8
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22 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Given the reaction:


    Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)


    The oxidation number of Zn(s) increases because it

    loses electrons

    gains electrons

    loses protons

    gains protons

  • 2. Multiple Choice
    30 seconds
    1 pt

    Which change in oxidation number represents reduction?

    –1 to +1

    –1 to –2

    –1 to +2

    –1 to 0

  • 3. Multiple Choice
    30 seconds
    1 pt

    Given the reaction:


    F2(g) + 2 Br(aq) → Br2() + 2 F(aq)


    Which species is reduced?

    F2(g)

    Br(aq)

    Br2 (l)

    F(aq)

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