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.

Sample questions

1. 1.With respect to the electrolysis of copper (II) sulphate solution using copper electrodes, which statement is correct?
   • a.Copper metal is deposited at the negative electrode.
   • b.Oxygen gas is produced at the positive electrode.
   • c.The positive electrode increases in mass.
   • d.The negative electrode decreases in mass.
2. 2.Match the following:

   Column-I	Column-II
   (i) Ammonium hydroxide	(a) Positive terminal of battery
   (ii) Hydrochloric acid	(b) Negative terminal of battery
   (iii) Carbon tetrachloride	(c) Conductor
   (iv) Copper	(d) Non-electrolyte
   (v) Cathode	(e) Strong electrolyte
   (vi) Anode	(f) Weak electrolyte

3. 3.Why is copper, though a good conductor of electricity, classified as a non-electrolyte?
   • A.It lacks free electrons for conduction.
   • B.It conducts electricity due to free electrons, not ions.
   • C.It dissociates into ions only at high temperatures.
   • D.It is a liquid at room temperature.
4. 4.Select the correct answer from the choices A, B, C, D which are given. 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
5. 5.Which acid is added during the electrolysis of water?
   • A.Hydrochloric acid
   • B.Nitric acid
   • C.Concentrated sulphuric acid
   • D.Acetic acid