O Level Courses

Chapter 11: IGCSE O Level Chemistry Exam Tests

IGCSE O Level Chemistry MCQs - Chapter 11

Redox Reactions Multiple Choice Questions PDF Download - 5

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Redox Reactions Questions & Answers PDF Download: MCQ Quiz 5

MCQ 21: The process of oxidation involves

A) gain in oxygen
B) loss of oxygen
C) gain in hydrogen
D) gain in electrons

MCQ 22: In the plentiful supply of oxygen or air, burning of carbon gives off

A) carbon monoxide
B) carbon dioxide
C) H3O
D) H2CO3

MCQ 23: Non-metals are good at

A) accepting electrons only
B) sharing electrons only
C) donating electrons
D) accepting and sharing electrons

MCQ 24: In a Redox reaction,

A) oxidation occurs only
B) reduction occurs only
C) neutralization occurs
D) oxidation and reduction occurs

MCQ 25: While passing hydrogen overheated CuO(s), black color is oxidized to

A) golden color
B) pink color
C) blue color
D) colorless

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Redox Reactions App (Android & iOS)

Redox Reactions App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)