Revision Library
/Subjects/Science/Daily Practice
Daily Practice

GCSE Science

← All tiers

12th January 1968

5 questions · GCSE · 584 questions in this band

Download questions PDFDownload answers PDF
  1. 1
    Concentration, Yield and Atom Economy

    Give the formula for percentage yield.

  2. 2
    Chemical Changes

    Write the word equation for the reaction between zinc and hydrochloric acid.

  3. 3
    Reactivity, Acids and Salts

    Give the ionic equation for neutralisation.

  4. 4
    Electrolysis

    In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.

  5. 5
    Energy Changes

    State whether the combustion of methane is exothermic or endothermic.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Recent GCSE Science sheets

Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1968, including the monthly compilation PDF.

12th January 196811th January 196810th January 19689th January 19688th January 19687th January 19686th January 19685th January 19684th January 19683rd January 19682nd January 19681st January 196831st December 196730th December 1967