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ICSE Question Bank

Electrolysis

Appeared in 11 of the 11 available papers.

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 25 of 107 matching questions (118 marks).

25 questions

5(b)

Answer the following questions based on the extraction of aluminium from alumina by Hall-Heroult's Process.:

1(a)

Choose the correct answer from options given below.

1(b)

Give one word or a phrase for the following statements:

1(e)

State one relevant observation for each of the following:

1(g)

Name the gas that is produced in each of the following cases:

1(h)

Fill up the blanks with the correct choice given in brackets.

3(d)

For the electro-refining of copper:

1(c)

Identify the substance underlined, in each of the following cases:

3(b)

State the observations at the anode and at the cathode during the electrolysis of :

3(c)

Select the ion in each case, that would get selectively discharged from the aqueous mixture of the ions listed below:

7(b)

Answer the following questions with respect to the electrolytic process in the extraction of aluminum:

7(c)

Complete the following by selecting the correct option from the choices given:

1(b)

Choose the correct answer from the options given below:

4(c)

Write equations for the reactions taking place at the two electrodes (mentioning clearly the name of the electrode) during the electrolysis of: