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Daily Practice

GCSE Science

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27th January 1983

5 questions · GCSE · 584 questions in this band

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  1. 1
    Concentration, Yield and Atom Economy

    Convert 250 cubic centimetres into cubic decimetres.

  2. 2
    Chemical Changes

    State the pH value of a neutral solution.

  3. 3
    Reactivity, Acids and Salts

    Explain the difference between a strong acid and a concentrated acid.

  4. 4
    Electrolysis

    State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.

  5. 5
    Energy Changes

    Using the values in the previous question, calculate the overall energy change for the reaction.

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