IGCSE O Level Chemistry MCQs – Practice Test 25 (Chapter 3)

Chemical Formulae and Equations MCQs with Answers PDF Download – Test 25

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Download "Chemical Formulae and Equations MCQs" App: While calculating the empirical formula, the simplest ratio is obtained by dividing the; MCQ with answers: largest number, smallest number, relative atomic mass, and relative mass of a covalent compound. Solve Salts: Hydrogen of Acids Quiz Questions, download Google e-Book (Free Chapter) to strengthen chemistry achievement.

Chemical Formulae & Equations MCQs with Answers PDF Download: MCQ Quiz 25

MCQ 121: While calculating the empirical formula, the simplest ratio is obtained by dividing the:

smallest number
largest number
relative atomic mass
relative mass of a covalent compound

MCQ 122: To balance Al(OH)₃ + HNO₃ → Al(NO₃)₃ + H₂O, number of H₂O molecules produced will be:

MCQ 123: Hydrogen Sulfate (H₂SO₄) has:

positive charge
negative charge
double negative charge
double positive charge

MCQ 124: To balance Cu + H₂SO₄ → CuSO₄ + H₂O + SO₂; number of H₂SO₄ molecules will be:

MCQ 125: One molecule each of Magnesium Chloride (MgCl₂), Water (H₂O) and Carbon dioxide (CO₂) results if the reactants are:

MgCO₃ and HCl
MgCO₃ and 2HCl
MgHCO₃ and HCl
MgHCO₃ and 2HCl

IGCSE O Level Chemistry MCQs App & e-Book – Chemical Formulae & Equations Study Guide

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