IGCSE O Level Chemistry MCQs – Practice Test 6 (Chapter 3)

Chemical Formulae and Equations MCQ with Answers PDF Download – Test 6

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Chemical Formulae & Equations MCQ with Answers PDF Download: Quiz 6

MCQ 26: The formula of Calcium Hydrogen Carbonate is:

HCO₃Ca₂
Ca(HCO₃)₃
Ca(HCO₃)₂
Ca₂(HCO₃)₂

MCQ 27: Charge on an ion is a measure of its:

valency
exponential notation
formula
isotopic charges

MCQ 28: Which one of them is a color gas?

methane
ethane
propane
butane

MCQ 29: If an acid reacts with a carbonate, the product will always include:

H₂O (l)
salt (s)
CO₂ (g)
all of above

MCQ 30: Relative formula mass of aluminum sulphate (NH₄)₂SO₄ is:

132.14 g/mol
113.14 g/mol
139.33 g/mol
143.69 g/mol

Chemical Formulae & Equations MCQ App & e-Book – IGCSE O Level Chemistry Entrance Exam

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