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Molecules and Macromolecules Quiz Answers PDF Download - 3

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Chemistry: Molecules & Macromolecules MCQs Quiz PDF Download

MCQ: Melting point of silica (SiO2) is

A) 1650 °C
B) 1660 °C
C) 1700 °C
D) 1760 °C

MCQ: All are ionic compounds except

A) AgCl
C) NO2
D) (NH4)2CO3

MCQ: 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: 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: 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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