Chemistry

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Chemia - wzory

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  • Multiple Choice
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    30 seconds
    1 pt

    NaOH, KOH i Mg(OH)2 to ....

    kwasy

    sole

    wodorotlenki

    tlenki

  • Multiple Choice
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    30 seconds
    1 pt

    Fenoloftaleina w roztworach kwaśnych przyjmuje zabarwienie:

    jest bezbarwna

    malinowe

    żółte

    niebieskie

  • Multiple Choice
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    30 seconds
    1 pt
    Image
    Prawidłowy wzór sumaryczny wodorotlenku wapnia to:
    CaOH
    Ca2OH
    Ca(OH)2
    Ca(OH)4
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