IGCSE O Level Chemistry MCQs – Practice Test 9 (Chapter 3)

Chemical Formulae and Equations MCQs with Answers PDF – Download Test 9

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Chemical Formulae & Equations MCQs PDF Download – Practice Test 9

MCQ 41: Symbol of Gold has been derived from its Latin name:

Argentum
Argon
Aurum
Augmentin

MCQ 42: Valency is numerically equal to the:

charge of an ion
combining power of an atom
combining power of a radical
all of above

MCQ 43: The chemical formula of calcium nitrate is:

CNOH
Ca(NO₃)₂
CaNO₃
CaNO₃

MCQ 44: In Na₂CO₃, the relative atomic mass of Oxygen is:

MCQ 45: If the atomic mass of copper is 63.546, the mass percent of copper in Cu₂O will be:

0.7898
0.8098
0.8882
0.8678

IGCSE O Level Chemistry MCQs App & e-Book – Chemical Formulae & Equations Study Guide

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