Daily Practice · GCSE Science

Daily Practice - GCSE Science

6th November 1993

5 questions · GCSE · 584 questions in this band

1
Concentration, Yield and Atom Economy
Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
2
Chemical Changes
State the pH value of a neutral solution.
3
Reactivity, Acids and Salts
Define oxidation in terms of electrons.
4
Electrolysis
State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
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 November 1993, including the monthly compilation PDF.