Daily Practice

GCSE Science

1st August 1989

5 questions · GCSE · 584 questions in this band

1
Concentration, Yield and Atom Economy
Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
2
Chemical Changes
Write the word equation for the reaction between zinc and hydrochloric acid.
3
Reactivity, Acids and Salts
Name the salt made from zinc oxide and nitric acid.
4
Electrolysis
In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.
5
Energy Changes
State whether the combustion of methane is exothermic or endothermic.

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 1989, including the monthly compilation PDF.