IGCSE O Level Chemistry MCQs - Chapter 3

Chemical Formulae and Equations Quiz Questions and Answers PDF - 3

Books:

Apps:

Free Chemical Formulae and Equations Quiz Questions and Answers, Chemical Formulae and Equations quiz answers PDF, test 3 to study online IGCSE O Level Chemistry Course. Practice Chemical Symbols Quiz, Chemical Formulae and Equations MCQ questions and answers PDF to prepare for job interview. Free learning app: Chemical Formulae and Equations Quiz App Download & e-Book for chemical symbols, valency and chemical formula, reactants, relative molecular mass career test for online colleges for science.

The Quiz: Variable valencies are used to indicate ions; "Chemical Formulae and Equations" App Download iOS & Android (Free) with answers greater than −1, greater than +1, with more than one valency to learn online IGCSE GCSE courses. Study chemical symbols quiz questions, download Amazon eBook (Free Sample) for colleges that offer online degrees.

Chemical Formulae & Equations Questions & Answers PDF Download: MCQ Quiz 3

MCQ 11: Variable valencies are used to indicate ions

A) greater than +1

B) greater than −1

C) with more than one valency

D) none of above

MCQ 12: In CuO (Copper Oxide), the valency of Copper is

A) +1

B) +2

C) −1

D) −2

MCQ 13: In order to get Sodium Sulfite (Na₂SO₃) as product, the reactants shall be Sulfur Dioxide (SO₂) and

A) Na₂CO₃

B) NaOH

C) NaCl

D) Na₂CO₃ and NaOH

MCQ 14: Relative molecular mass of Na₂CO₃ is

A) 98

B) 128

C) 286

D) 198

MCQ 15: Formula of Ammonium Sulfate ((NH₄)₂SO₄) is

A) NH₄(SO₄)₂

B) NH₄(HSO₄)₂

C) (NH₄)₂SO₄

D) (NH₃)₂SO₃

IGCSE O Level Chemistry Mock Tests

Acids and Bases MCQs

Methods of purification MCQs

Salts and Identification of Ions and Gases MCQs

Particles of Matter MCQs

Elements, Compounds and Mixtures MCQs

Structure of Atom MCQs

Energy from Chemicals MCQs

Redox Reactions MCQs

Chemical Formulae & Equations Learning App & Free Study Apps

Download Chemical Formulae & Equations Quiz App to learn Chemical Formulae & Equations Quiz, O Level Chemistry Learning App, and SAT Chemistry Quiz Apps. Free "Chemical Formulae & Equations" App to download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!