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Chemistry

8th

grade

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Типы химических реакций

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10 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Реакция Разложения

    2H2O=2H2+O2

    CuSO4+Fe=FeSO4+Cu

    CaO+H2O=Ca(OH)2

    Na2CO3+HCl=H2O+CO2+NaCl

  • 2. Multiple Choice
    1 minute
    1 pt

    реакция обмена

    H2SO4+Ba(OH)2= BaSO4+2H2O

    2Fe+3Cl2=2FeCl3

    H3PO4=P2O5+H2O

    Li2O+H2O= LiOH

  • 3. Multiple Choice
    1 minute
    1 pt

    Реакция Замещения

    СuSO4+Fe=FeSO4+Cu

    2SO2 + O2 = 2SO3

    Zn + 2HCl = ZnCl2 + H2

    NaOH + HNO3 = NaNO3 + H2O

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