IGCSE O Level Chemistry MCQs - Chapter 4

Electricity and Chemistry Quiz Questions and Answers PDF - 3

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Electricity & Chemistry Questions & Answers PDF Download: MCQ Quiz 3

MCQ 11: Which one is correct about Battery?

it is 99.5% pure copper
it is collection of cells
it is pure lead
it is pure zinc

MCQ 12: Weak electrolytes include which of the following?

limewater Ca(OH)₂
ammonia solution NH₃
Carbonic acid H₂CO₃
all of above

MCQ 13: The difficulty of discharge is lowest in

Chloride ions
Bromide ions
hydroxide ions
sulphate ions

MCQ 14: What is true about non-electrolyte?

they do not conduct electricity
they are covalent substance
they do not form ions
all of above

MCQ 15: Ethanoic acid (CH₃COOH) is included in

strong electrolyte
non-electrolyte
weak electrolyte
good conductors

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