Science

10th

grade

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Chemical Reactions and equations

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10 questions

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  • 1. Fill in the Blank
    1 minute
    1 pt

    ________ of electrons is oxidation.

  • 2. Multiple Choice
    30 seconds
    1 pt

    Electrolysis of water is a decomposition reaction. The molar ratio of hydrogen and oxygen gases liberated during electrolysis of water is:

    1:1

    2:1

    1:2

    4:1

  • 3. Multiple Choice
    1 minute
    1 pt

    What is observed when a solution of potassium iodide is added to silver nitrate solution?

    No reaction takes place

    White precipitate of silver iodide is formed

    Yellow precipitate of AgI is formed

    AgI is soluble in water

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