ICSE Class 10 Electrolysis — Mock Test (2027)
Free online mock test for Electrolysis (ICSE Class 10 Chemistry) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Electrolysis chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.Which of the following is NOT a precaution to be taken during electroplating?
- A.The surface of the article should be smooth and uniform.
- B.The surface should be free from oil and grease.
- C.A very high emf should be used for faster electroplating.
- D.A smaller current should be passed for a longer period.
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2.During the electrolysis of molten lead bromide, which of the following takes place?
- A.Bromine is released at the cathode
- B.Lead is deposited at the anode
- C.Bromine ions gain electrons
- D.Lead is deposited at the cathode
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3.Some word/words are missing in the following statement. Select the option that correctly completes the statement: Cations migrate _______ during electrolysis.
- A.to the anode
- B.to the cathode
- C.away from both electrodes
- D.randomly in the solution
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4.The process of separation of ions present in an ionic compound is known as:
- A.Ionisation
- B.Dissociation
- C.Separation
- D.Electrolysis
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5.Assertion: During electrolysis, a chemical change occurs. Reason: Electrolysis involves the passage of electric current through a conductor. (a) Both assertion and reason are true and reason is the correct explanation of assertion. (b) Both assertion and reason are true, but reason is not the correct explanation of assertion. (c) Assertion is true, but reason is false. (d) Assertion is false, but reason is true.
- A.Both assertion and reason are true and reason is the correct explanation of assertion.
- B.Both assertion and reason are true, but reason is not the correct explanation of assertion.
- C.Assertion is true, but reason is false.
- D.Assertion is false, but reason is true.
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