IGCSE O Level Chemistry MCQs - Chapter 11

Redox Reactions Quiz Questions and Answers PDF - 7

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The Quiz: Displacement reaction occurs when; "Redox Reactions" App Download iOS & Android (Free) with answers more reactive metal displaces a less reactive non-metal, more reactive non-metal displaces less reactive non-metals, metal lower in reactivity series is added to learn online IGCSE GCSE courses. Study oxidation and reduction quiz questions, download Amazon eBook (Free Sample) for online colleges for teaching.

Redox Reactions Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: Displacement reaction occurs when

A) more reactive non-metal displaces less reactive non-metals

B) more reactive metal displaces a less reactive non-metal

C) metal lower in reactivity series is added

D) none of above

MCQ 32: Metals are good at

A) accepting electrons

B) donating electrons

C) insulation

D) producing electricity

MCQ 33: In Copper Oxide (CuO) and Carbon Monoxide (CO) reaction, the oxidizing agent is

A) CuO

B) CO

C) Cu

D) CO₂

MCQ 34: The process of reduction involves

A) gain in hydrogen only

B) loss of oxygen only

C) loss of hydrogen

D) gain in hydrogen and loss of oxygen

MCQ 35: Fewer vitamins and valuable nutrients are destroyed if the

A) smaller particles are cooked

B) larger food particles are cooked

C) if food is frozen

D) if food is fried

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