Chemistry

6th -

10thgrade

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Echdynnu Haearn

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11 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Pa ddeunydd crai sy'n tynnu'r amhureddau?

    golosg

    aer poeth

    calchfaen

    mwyn haearn

  • 2. Multiple Choice
    30 seconds
    1 pt

    Pa ddeunydd crai sy'n ffynhonell o garbon?

    golosg

    aer poeth

    calchfaen

    mwyn haearn

  • 3. Multiple Choice
    30 seconds
    1 pt

    Pa ddeunydd crai sy'n ffynhonell o haearn?

    golosg

    aer poeth

    calchfaen

    mwyn haearn

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