Daily Practice

GCSE Science

8th August 1969

5 questions · GCSE · 584 questions in this band

1
Concentration, Yield and Atom Economy
Give the formula for percentage yield.
2
Chemical Changes
State the pH value of a neutral solution.
3
Reactivity, Acids and Salts
Give the ionic equation for neutralisation.
4
Electrolysis
Aqueous copper sulfate solution is electrolysed using inert graphite electrodes. State the products formed at (a) the cathode and (b) the anode, giving a reason for each.
5
Energy Changes
Using the values in the previous question, calculate the overall energy change for the reaction.

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 August 1969, including the monthly compilation PDF.