IGCSE O Level Chemistry Practice Test 3

Molecules and Macromolecules Quiz PDF: Questions and Answers - 3

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The e-Book Molecules and Macromolecules Quiz Questions and Answers, molecules and macromolecules Quiz MCQs PDF download, chapter 2-3 to study free igcse chemistry online courses. Study Chemical Bonding and Structure MCQ Questions PDF, molecules and macromolecules Multiple Choice Questions (MCQ Quiz) for online college degrees. The Molecules and Macromolecules Trivia App Download: Free educational app for molecules and macromolecules, chemical symbols, ions and ionic bonds, relative molecular mass, evaporation test prep for SAT subject test tutoring.

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Molecules & Macromolecules Questions and Answers PDF Download: Quiz 3

MCQ 11: Melting point of silica (SiO₂) is

A) 1650 °C

B) 1660 °C

C) 1700 °C

D) 1760 °C

MCQ 12: All are ionic compounds except

A) AgCl

B) HNO₃

C) NO₂

D) (NH₄)₂CO₃

MCQ 13: Potassium Oxide is formed through

A) two potassium ions and one oxygen ion

B) one potassium ion and one oxygen ion

C) two potassium ions and two oxygen ion

D) one potassium ion and two oxygen ion

MCQ 14: Molecular weight of propane (C₃H₈) is

A) 44.095 g/mol

B) 40.01 g/mol

C) 41.01 g/mol

D) 46.02 g/mol

MCQ 15: Evaporation occurs only

A) after boiling

B) after extreme cooling

C) at the surface of a liquid

D) if boiling occurs at atmospheric pressure

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