IGCSE O Level Chemistry MCQs - Chapter 5

Electricity and Chemicals Multiple Choice Questions (MCQs) PDF Download - 1

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The Multiple Choice Question (MCQ Quiz): Types of electrodes used during the electrolysis affect the; "Electricity and Chemicals" App Download (Free) with answers products of electrolysis, rate of electrolysis, selective discharge of ions and formation of hydrogen ions to study e-learning courses. Solve electrolyte and non electrolyte quiz questions, download Google eBook (Free Sample) for online degree programs.

Electricity and Chemicals Questions & Answers PDF Download: MCQ Quiz 1

MCQ 1: Types of electrodes used during the electrolysis affect the

rate of electrolysis
products of electrolysis
selective discharge of ions
formation of hydrogen ions

MCQ 2: What type of energy is converted by batteries?

chemical energy to kinetic energy
chemical energy to electrical energy
electrical to chemical energy
kinetic energy to chemical and electrical energy

MCQ 3: If graphite (C) is used as an electrode in the presence of concentrated Hydrochloric Acid (HCl), at the anode

chlorine gas is produced
oxygen gas is produced
hydrogen gas is produced
hydrogen chloride is produced

MCQ 4: Position of metals in the reactivity series does not determine the

rate of polarization
duration the light bulb will glow
brightness of the light
nature of bonding

MCQ 5: In a Magnesium-Copper battery with dilute acid as an electrolyte, at the cathode, the element is

hydrogen gas is bubbled off
electrons are produced
copper takes up the electrons produced by magnesium
Chlorine gas is bubbled off

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