IGCSE O Level Chemistry MCQs – Practice Test 2 (Chapter 5)

Electricity and Chemicals MCQ with Answers PDF Download – Test 2

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Download the Electricity and Chemicals Learning App (Android & iOS): In electroplating, the solution must be of the salt of the metal should be of; MCQ with answers: iodine, substance that has to electroplate, chlorine, and sodium. Practice Electrolytes & Non-Electrolytes Quiz Questions, download Apple Book (Free Chapter) to strengthen chemistry virtual mobility.

Electricity and Chemicals MCQ with Answers PDF Download: Quiz 2

MCQ 6: Selective charges occur for the:

ions which require least energy to be discharged
ions which require most energy to be discharged
elements of group VII
metal chlorides

MCQ 7: In electroplating, the solution must be of the salt of the metal should be of:

substance that has to electroplate
iodine
chlorine
sodium

MCQ 8: Polarization refers to the:

prevention of electricity flowing in the electrolyte solution
rapid dissolving of magnesium in dilute acid
slow dissolving of magnesium in conc. Acid
electricity flowing in the electrolyte solution

MCQ 9: In a dry cell, the function of zinc casing is to act as the:

negative electrode
positive terminal
neutral cathode
electrolyte

MCQ 10: In electrolysis of aqueous Copper(II) Sulfate (CuSO₄) with Carbon (C) electrode,:

oxygen gas is given off at anode
Sulfur dioxide is given off at anode
oxygen gas is given off at cathode
Sulfur dioxide is given off at cathode

IGCSE O Level Chemistry Notes App & e-Book – Electricity and Chemicals Exam Prep

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