IGCSE O Level Chemistry MCQs – Practice Test 24 (Chapter 3)

Chemical Formulae and Equations Notes Questions and Answers PDF – Test 24

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Free Chemical Formulae and Equations Notes App Download: Chemical formula of Magnesium Carbonate is; MCQ with answers: mgco₃, mgco₃. h₂o, mg₂co₃, and mg₃co₃. Practice Salts: Hydrogen of Acids Quiz Questions, download Kobo e-Book (Free Chapter) for chemistry exam readiness.

Chemical Formulae & Equations Notes Q&A PDF Download – Practice Test 24

MCQ 116: The formula of Calcium Hydrogen Carbonate indicates that for each ion of:

hydrogen carbonate, two ions of Ca are required
Ca, two ions of hydrogen carbonate are required
Ca, three ions of hydrogen carbonate are required
CA, four ions of hydrogen carbonate are required

MCQ 117: The chemical formula of Magnesium Carbonate is:

MgCO₃. H₂O
MgCO₃
Mg₂CO₃
Mg₃CO₃

MCQ 118: If the valency of both Calcium and Sulphate ion is 2, the formula of calcium sulfate will be:

CaSO₃
CaSO₄
Ca₂(SO₄)₂
Ca₂SO₄

MCQ 119: In 10H₂O, total units of water molecules are:

MCQ 120: Radical refers to a:

positive valency
negative valency
group of atoms
numbers of electron shells

Chemical Formulae & Equations Notes App & e-Book – IGCSE O Level Chemistry Admission Tests

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