IGCSE O Level Chemistry MCQs - Chapter 3

Chemical Formulae and Equations MCQ (Multiple Choice Questions) PDF - 30

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The e-Book Chemical Formulae and Equations Multiple Choice Questions (MCQ Quiz) with Answers (Chemical Formulae and Equations MCQ PDF download, test 30 to learn free IGCSE O Level Chemistry Online Course. Solve Chemical Symbols Multiple Choice Questions (MCQs), Chemical Formulae and Equations quiz answers PDF to prepare for job interview. The Chemical Formulae and Equations MCQ App Download: Free educational app for chemical symbols, molar mass, chemical formulas, chemical and ionic equations career test for free online college classes.

The MCQ: Combining Copper(II) (Cu⁺²) with Oxygen (O₂) results in; "Chemical Formulae and Equations" App Download Android & iOS (Free) with answers cu₂o, cuo, cuo₂ and cu(oh)₂ to learn online schools courses. Practice chemical symbols quiz questions, download Apple Book (Free Sample) for accelerated bachelors degree online.

Chemical Formulae & Equations Questions & Answers PDF Download: MCQ Quiz 30

MCQ 146: Combining Copper(II) (Cu⁺²) with Oxygen (O₂) results in

A) CuO

B) Cu₂O

C) CuO₂

D) Cu(OH)₂

MCQ 147: Molar mass of (NH₄)₂SO₄ is

A) 113.19 g/mol

B) 124.21 g/mol

C) 141.39 g/mol

D) 132.139 g/mol

MCQ 148: The chemical formula of rouge pigment is

A) Fe₂O₃

B) Fe₃O₄

C) FeSO₄

D) FeNO₃

MCQ 149: To form Copper(II) Hydroxide, number of Hydroxyl ions to gain stability with one Copper ion will be

A) 1

B) 2

C) 3

D) 4

MCQ 150: When Carbon ions (C^±4) react with Carbon Dioxide gas (CO₂), the product will be

A) methane

B) ethane

C) propane

D) carbon monoxide

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