Daily Practice

GCSE Science

2nd July 1992

5 questions · GCSE · 584 questions in this band

1
Concentration, Yield and Atom Economy
Convert 250 cubic centimetres into cubic decimetres.
2
Chemical Changes
State the pH value of a neutral solution.
3
Reactivity, Acids and Salts
Explain the difference between a strong acid and a concentrated acid.
4
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.
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 July 1992, including the monthly compilation PDF.