Chemistry

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chemical formulae class 7

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  • 1. Multiple-choice
    30 seconds
    1 pt

    How many atoms of sulfur are in each molecule of H2SO4?

    1

    4

    2

    7

  • 2. Multiple-choice
    30 seconds
    1 pt

    What is the chemical formula of Magnesium chloride?

    MgCl

    MgCl2

    MgC

    MgC2

  • 3. Multiple-choice
    30 seconds
    1 pt

    What is the chemical formula of sodium sulfate?

    SSO4

    SoSO4

    NaSO4

    Na2SO4

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