Science, Physics, Chemistry

8th

grade

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Chemical Effects of Electric Current

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10 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt

    Which one is the polluting waste generated by electroplating factories?

    Used up electrodes

    Electrolytes

    Corroded Metals

  • 2. Multiple Choice
    20 seconds
    1 pt

    When acidified water is electrolysed using carbon electrodes. What is produced at (+) and (-) electrodes.

    (+) - Oxygen; (-) - Hydrogen

    (+) - Oxygen; (-) - Carbon

    (+) - Hydrogen (-) - Oxygen

  • 3. Fill in the Blank
    30 seconds
    1 pt
    Image

    LED stands for

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