Daily Practice · GCSE Science

Daily Practice - GCSE Science

Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

12th August 2005

5 questions · GCSE · 584 questions in this band

1
Chemical Changes
State the name given to a reaction in which a substance loses electrons.
2
Reactivity, Acids and Salts
Name the salt made from zinc oxide and nitric acid.
3
Electrolysis
In the industrial extraction of aluminium, explain why the aluminium oxide is dissolved in molten cryolite rather than melted on its own.
4
Energy Changes
Explain, in terms of bonds, why breaking bonds is an endothermic process.
5
Exothermic and Endothermic Reactions
State the energy transfer that occurs during an endothermic 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.

Every sheet is deterministic: the same date always regenerates the same five questions. All of August 2005, including the monthly compilation PDF.