IGCSE O Level Chemistry Practice Test 107

Dry Cells Quiz PDF: Questions and Answers - 107

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Dry Cells Questions and Answers PDF Download: Quiz 107

MCQ 531: Advantages of dry cells offer are that they are

A) cheap

B) convenient

C) portable

D) all of above

MCQ 532: In a Redox reaction,

A) oxidation occurs only

B) reduction occurs only

C) neutralization occurs

D) oxidation and reduction occurs

MCQ 533: While passing hydrogen overheated CuO(s), black color is oxidized to

A) golden color

B) pink color

C) blue color

D) colorless

MCQ 534: The metal-core in power cable is normally made up of

A) steel

B) sulphur

C) phosphorus

D) mercury

MCQ 535: If an acid reacts with an oxide, the product will include H₂O and

A) a salt(s)

B) an acid (l)

C) a base

D) a gas

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