IGCSE A Level Chemistry MCQs – Practice Test 9 (Chapter 22)

Periodicity MCQs with Answers PDF Download – Test 9

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Periodicity MCQs with Answers PDF Download: MCQ Quiz 9

MCQ 41: Silicon is in the center of period 3 and has a structure of:

giant molecule
smaller molecule
medium molecule
small electron

MCQ 42: Consider the reaction: SiCl₄(l) + 2H₂O(l) → SiO₂ + HCl. The color of SiO₂ is:

pink precipitate
white precipitate
blue precipitate
red precipitate

MCQ 43: The electronegativity of Sodium is:

2.55
0.93
3.44
3.04

MCQ 44: The oxidation number of sulfur trioxide is:

MCQ 45: The electronegativity of Sulfur (S₈) is:

2.58
2.2
3.44
3.04

IGCSE A Level Chemistry MCQs App & e-Book – Periodicity Study Guide

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