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IGCSE O Level Chemistry Practice Test 152

Valence Electrons MCQ Questions and Answers PDF - 152

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Valence Electrons MCQ with Answers PDF Download: Quiz 152

MCQ 756: The full shell of valence electrons make

A) metals
B) non metals
C) inert gases unreactive
D) isotopes

MCQ 757: Consider the equation P4O10 + H2O → H3PO4. Moles of water required in the reaction would be

A) 2
B) 4
C) 6
D) 8

MCQ 758: 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 759: If the hydrogen (H+) of acid is fully replaced by a metal, the product is a

A) neutral oxides
B) amphoteric oxides
C) acid salt
D) salt

MCQ 760: 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

IGCSE O Level Chemistry Exam Prep Tests

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