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Daily Practice · GCSE Science

Daily Practice - GCSE Science

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6th February 1999

5 questions · GCSE · 584 questions in this band

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  1. 1
    Chemical Bonding: Ionic, Covalent and Metallic

    Why can an ionic compound conduct electricity when molten or dissolved but not when solid?

  2. 2
    Structures, Properties and Nanoparticles

    Why is graphite soft and slippery?

  3. 3
    Quantitative Chemistry

    State the law of conservation of mass.

  4. 4
    Moles, Formulae and Equations

    How many atoms are there in 0.5 mol of helium?

  5. 5
    Concentration, Yield and Atom Economy

    Convert 250 cubic centimetres into cubic decimetres.

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