O Level Courses

Chapter 4: IGCSE O Level Chemistry Exam Tests

IGCSE O Level Chemistry MCQs - Chapter 4

Electricity and Chemistry Quiz Questions and Answers PDF - 7

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Electricity & Chemistry Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: Purpose of a voltmeter is to

A) ensure constant flow of electricity
B) measure amount of current
C) measure voltage of cells and batteries
D) help bulbs to glow

MCQ 32: The difficulty of discharge is lowest in

A) calcium ions
B) sodium ions
C) magnesium ions
D) zinc ions

MCQ 33: In a dry cell, the polarization is prevented through

A) potassium hydroxide mixture
B) ammonium nitrate mixture
C) manganese oxide
D) Sodium hydroxide mixture

MCQ 34: Ethanol C2H5OH(I) is an example of

A) strong electrolyte
B) non-electrolyte
C) weak electrolyte
D) carboxylic acid

MCQ 35: In electrolysis of dilute Hydrochloric Acid (HCl(aq)), at anode,

A) oxygen gas is given off
B) hydrogen gas is given off
C) chlorine gas is given off
D) hydrogen chloride gas is given off

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O Level Chemistry App (Android & iOS)

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10th Grade Chemistry App (Android & iOS)

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A level Chemistry App (Android & iOS)