ICSE Question Bank

Examined in

11 of 11 papers

Appears almost every year — treat as core

Typically worth

10.7 marks

Average per paper it appears in · 118 marks in total

Usual form

Short answer

61% of this chapter's 107 questions

Needs a diagram

19%

20 questions carry a figure — practise drawing them

Question-type distribution

Short answer65
MCQ19
Reasoning9
Fill in the blank8
Matching4
Difference2

Most frequent topics

Electrolysis, electrolytes and electrode processes 102Electrolytic conduction 2Oxidation and reduction at electrodes 1Oxidation and reduction 1Electrolytic dissociation 1

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Showing 7 of 107 matching questions (118 marks).

7 questions

4(d)(i)2016

Short answerEasy1 mark

Name the product formed at the anode during the electrolysis of acidified water using platinum electrodes.

4(d)(ii)2016

Short answerEasy1 mark

Name the metallic ions that should be present in the electrolyte when an article made of copper is to be electroplated with silver.

6(d)

Give reasons why:

6(d)(i)2016

ReasoningModerate1 mark

Sodium Chloride will conduct electricity only in fused or aqueous solution state.

6(d)(ii)2016

ReasoningModerate1 mark

In the electroplating of an article with silver, the electrolyte sodium argento-cyanide solution is preferred over silver nitrate solution.

6(d)(iii)2016

ReasoningModerate1 mark

Although copper is a good conductor of electricity, it is a non-electrolyte.

7(a)(iv)2016

Short answerEasy1 mark

Write the equation for the reaction that occurs at the cathode during the extraction of aluminium by electrolysis.

7(a)(v)2016

ReasoningModerate1 mark

Explain why it is preferable to use a number of graphite electrodes as anode instead of a single electrode, during the above electrolysis.