IGCSE O Level Chemistry MCQs - Chapter 3

Chemical Formulae and Equations Multiple Choice Questions (MCQ) PDF - 10

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The MCQ: NH₄ has; "Chemical Formulae and Equations" App Download Android & iOS (Free) with answers double positive charge, positive charge, negative charge and double negative charge to learn distance learning courses. Practice chemical symbols quiz questions, download Apple Book (Free Sample) for online college courses.

Chemical Formulae & Equations Questions & Answers PDF Download: MCQ Quiz 10

MCQ 46: NH₄ has

positive charge
double positive charge
negative charge
double negative charge

MCQ 47: Expression of the ratio of the combining number of atoms or ions is called

valency
exponential notation
formula
isotopic charges

MCQ 48: What is correct about acids?

they are solid crystals
they are aqueous
they are gases
they are liquid

MCQ 49: Molar mass of Calcium Carbonate CaCO₃ is

100.0869 g/mol
99.0154 g/mol
110.018 g/mol
101.087 g/mol

MCQ 50: In Sulfuric Acid (H₂SO₄), the chemical composition of sulfur is

0.0204
0.3265
0.6531
0.9821

IGCSE O Level Chemistry Mock Tests

Acids and Bases MCQs

Particles of Matter MCQs

Redox Reactions MCQs

Structure of Atom MCQs

Salts and Identification of Ions and Gases MCQs

Speed of Reaction MCQs

Chemical Bonding and Structure MCQs

Energy from Chemicals MCQs

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