Daily Practice

GCSE Science

19th September 1967

5 questions · GCSE · 584 questions in this band

1
Moles, Formulae and Equations
Why is the amount of product directly proportional to the amount of limiting reactant?
2
Concentration, Yield and Atom Economy
Give the formula for percentage yield.
3
Chemical Changes
State the pH value of a neutral solution.
4
Reactivity, Acids and Salts
Give the ionic equation for neutralisation.
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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