Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

5th September 2018

5 questions · GCSE · 584 questions in this band

1
Moles, Formulae and Equations
State the value of the Avogadro constant and what it counts.
2
Concentration, Yield and Atom Economy
Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
3
Chemical Changes
Write the word equation for the reaction between zinc and hydrochloric acid.
4
Reactivity, Acids and Salts
Define oxidation in terms of electrons.
5
Electrolysis
In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.

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 September 2018, including the monthly compilation PDF.