IGCSE O Level Chemistry MCQs – Practice Test 18 (Chapter 3)

Chemical Formulae and Equations MCQ with Answers PDF – Download Test 18

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The "Chemical Formulae and Equations MCQ" App Download (iOS & Android): Copper ion can be written as; MCQ with answers: co⁺², co⁺¹, cu⁺¹, and cu⁺². Practice Isotopes: Number of Neutrons Quiz Questions, download Apple Book (Free Chapter) to improve chemistry online collaboration.

Chemical Formulae & Equations MCQ PDF Download – Practice Test 18

MCQ 86: Na₂SO₄ stands for:

ammonium sulphate
sodium sulphite
sodium sulphate
sodium monosulphate oxidate

MCQ 87: Copper ion can be written as:

Co⁺¹
Co⁺²
Cu⁺¹
Cu⁺²

MCQ 88: Chemical formula of Copper(I) Oxide:

Cu₂O
CuO₃
Cu(OH)₂
CuO

MCQ 89: If waters relative molecular mass is 36, the molecular formula will turn out to be:

H₂O
H₂O₂
H₂O₄
H₈O₄

MCQ 90: The Symbol Hg is of:

helium
Hydrargyrum
hydrogen
Natrium

IGCSE O Level Chemistry Notes App & e-Book – Chemical Formulae & Equations Exam Prep

Acids and Bases MCQs

Structure of Atom MCQs

Methods of purification MCQs

Electricity and Chemistry MCQs

Particles of Matter MCQs

Speed of Reaction MCQs

Elements, Compounds and Mixtures MCQs

Energy from Chemicals MCQs

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