IGCSE O Level Chemistry Practice Test 132

Valency and Chemical Formula Multiple Choice Questions (MCQs) PDF Download - 132

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The Valency and Chemical Formula MCQ with Answers PDF (Valency and Chemical Formula Multiple Choice Questions (MCQs) PDF e-Book) download Ch. 3-132 to study IGCSE O Level Chemistry Practice Tests. Study Chemical Formulae and Equations Test PDF, Valency and Chemical Formula Multiple Choice Questions (MCQ Quiz) for online college classes. The Valency and Chemical Formula MCQ Quiz App Download: Free IGCSE O Level Chemistry App to study valency and chemical formula, save energy: o level chemistry, protons, neutrons and electrons test prep to learn online classes courses.

The MCQ: The chemical formula of Magnesium Carbonate is; "Valency & Chemical Formula" App (Free Android & iOS) with answers: mgco₃, mgco₃. h₂o, mg₃co₃, and mg₂co₃ for online college classes. Practice Chemical Formulae and Equations Questions and Answers, Apple e-Book to download free sample for SAT subject test tutoring.

Valency & Chemical Formula MCQ Quiz with Answers PDF Download: Test 132

MCQ: 656

The chemical formula of Magnesium Carbonate is

MgCO₃. H₂O
MgCO₃
Mg₂CO₃
Mg₃CO₃

MCQ: 657

The word LPG stands for

liquefied purified gas
liquefied patrol gas
liquefied petroleum gas
latent petroleum gas

MCQ: 658

Helium (He) is not an inert gas because it has

higher chemical reactivity only
half shell of valence electrons only
no electrons
higher chemical reactivity and half shell of valence electrons

MCQ: 659

Carbon-12 is chosen as the standard atom because

it is found in most organic compounds
it is decomposable in nature
mass of 12 units has been measured very accurately
Carbon is the most common element

MCQ: 660

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

CaSO₃
CaSO₄
Ca₂(SO₄)₂
Ca₂SO₄

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