O Level Chemistry Practice Test 132

Valency and Chemical Formula Test Questions PDF - 132

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The Test: The chemical formula of Magnesium Carbonate is PDF, "Valency and Chemical Formula" App APK Download with mgco₃, mgco₃. h₂o, mg₂co₃, and mg₃co₃ choices for best two year degrees. Study chemical formulae and equations questions and answers, Apple Book to download free sample for colleges offering online degree programs.

Chemistry Tests Online: Valency & Chemical Formula Quiz PDF Download - 132

MCQ: The chemical formula of Magnesium Carbonate is

A) MgCO₃. H₂O

B) MgCO₃

C) Mg₂CO₃

D) Mg₃CO₃

MCQ: The word LPG stands for

A) liquefied purified gas

B) liquefied patrol gas

C) liquefied petroleum gas

D) latent petroleum gas

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

A) higher chemical reactivity only

B) half shell of valence electrons only

C) no electrons

D) higher chemical reactivity and half shell of valence electrons

MCQ: Carbon-12 is chosen as the standard atom because

A) it is found in most organic compounds

B) it is decomposable in nature

C) mass of 12 units has been measured very accurately

D) Carbon is the most common element

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

A) CaSO₃

B) CaSO₄

C) Ca₂(SO₄)₂

D) Ca₂SO₄

Mock Tests: O Level Chemistry Course Prep

O level Chemistry: States of Matter MCQs

Salts: Hydrogen of Acids MCQs

Proton and Nucleon Number MCQs

Redox Reaction: Oxidation MCQs

Making and Breaking Bonds MCQs

Valence Electrons MCQs

pH Scale: Acid and Alkali MCQs

Properties: Bases and Reactions MCQs

Dissolving, Filtering and Evaporating MCQs

Ionic and Covalent Substances MCQs

Change of State MCQs

Methods of Purification: Sublimation MCQs

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