Daily Practice

GCSE Science

10th November 1981

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
Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.
4
Reactivity, Acids and Salts
Give the ionic equation for neutralisation.
5
Electrolysis
State the name given to the negative electrode in electrolysis.

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.

Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1981, including the monthly compilation PDF.