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Daily Practice

GCSE Science

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16th February 1993

5 questions · GCSE · 584 questions in this band

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  1. 1
    Structures, Properties and Nanoparticles

    Why is graphite soft and slippery?

  2. 2
    Quantitative Chemistry

    State the law of conservation of mass.

  3. 3
    Moles, Formulae and Equations

    How many atoms are there in 0.5 mol of helium?

  4. 4
    Concentration, Yield and Atom Economy

    Convert 250 cubic centimetres into cubic decimetres.

  5. 5
    Chemical Changes

    Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.

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