Chemistry

12th

grade

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Test Grupa 1-3 analitica

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9 questions

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  • Multiple Choice
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    30 seconds
    1 pt

    Reactivul de grupă al grupei II analitice este:

    H2S

    NaOH

    (NH4)2S

    (NH4)2CO3

  • Multiple Choice
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    30 seconds
    1 pt

    Ionul Ag+ de formează cu reactivul K2CrO4 un precipitat:

    Ag2CrO4↓ alb

    AgCrO4↓ verde

    Ag2CrO4↓ roșu

    Ag2CrO4↓ verde

  • Multiple Choice
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    30 seconds
    1 pt

    Reactivul K3[Fe(CN)6)] este utilizat la identificarea cationului:

    Fe3+

    Hg2+

    Fe2+

    Bi3+

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