Daily Practice

GCSE Science

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2nd December 1965

5 questions · GCSE · 584 questions in this band

  1. 1
    Moles, Formulae and Equations

    Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)

  2. 2
    Concentration, Yield and Atom Economy

    State two reasons why a percentage yield is less than 100 percent.

  3. 3
    Chemical Changes

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

  4. 4
    Reactivity, Acids and Salts

    Complete: acid + metal carbonate gives ...

  5. 5
    Electrolysis

    Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.

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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1965, including the monthly compilation PDF.