(a)[6]
Fill in the table.
(b)[1]
Give a test and observation for identifying oxygen gas.
Chemistry 5070 · O Level · Electrolysis
Electrolysis — practice question
A student performs experiments with two different electrolytes in the apparatus illustrated.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The electrolyte used is concentrated aqueous sodium chloride.” …
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