Chemistry

9th -

10thgrade

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IGCSE Metal extraction

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12 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Ores are naturally occurring rocks that contain metals or metal compounds in sufficient amounts to make it worthwhile . . .

    recycling the element

    extracting the metal

    to set up a mine

    to use the metal

  • 2. Multiple Choice
    1 minute
    1 pt

    Which of these elements is likely to be found in its natural state?

    iron

    sodium

    aluminium

    silver

  • 3. Multiple Choice
    1 minute
    1 pt
    What is the removal of oxygen from a substance called?
    reduction
    extraction
    electrolysis
    oxidation
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