O Level Chemistry Practice Test 3

Molecules and Macromolecules Quiz Answers PDF Download - 3

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The MCQ Quiz "Melting point of silica (SiO₂) is" PDF, Molecules and Macromolecules App APK Download with 1660 °c, 1650 °c, 1700 °c, and 1760 °c choices for SAT subject tests. Study chemical bonding and structure questions and answers, Apple Book to download free sample to learn free online courses.

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

B) HNO₃

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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