IGCSE O Level Chemistry Practice Test 154

Valency and Chemical Formula MCQ (Multiple Choice Questions) PDF - 154

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Free Valency and Chemical Formula Multiple Choice Questions (MCQ) with Answers PDF (Valency and Chemical Formula MCQs PDF e-Book) download Ch. 3-154 to solve IGCSE O Level Chemistry Practice Tests. Study Chemical Formulae and Equations quiz answers PDF, Valency and Chemical Formula Multiple Choice Questions (MCQ Quiz) for online college degrees. The Valency and Chemical Formula MCQs App: Download free educational app for valency and chemical formula, evaporation, distillation: purification process, chemical symbols, dissolving, filtering and evaporating test prep for GRE subject test tutoring.

The MCQs: Chemical formula of butane is; "Valency & Chemical Formula" App Download (Android & iOS) with answers ‘C₂H₄’, ‘CH₄’, ‘C₃H₈’ and ‘C₄H₁₀’ to study online schools courses. Practice Chemical Formulae and Equations Questions and Answers, Google eBook to download free sample for accredited online college courses.

Valency & Chemical Formula Questions and Answers PDF Download: Quiz 154

MCQ 766: The chemical formula of butane is

CH₄
C₂H₄
C₃H₈
C₄H₁₀

MCQ 767: Evaporation of solution of CuSO₄ helps in

making it concentrated only
crystallization of CuSO₄ only
evaporation of salt CuSO₄
making it concentrated and crystallization of CuSO₄

MCQ 768: What is true about distilled water?

it has some impurities left in it
it is very pure water
it is obtained through fractional distillation
it is obtained through decanting

MCQ 769: The valency of Sulphide is

+1
+2
-1
-2

MCQ 770: What is true about crystals?

it is a solid that can be dissolved in liquids
it is a solid that re appears from other substances
it is a solid that reappears from the solution
it can be obtained through sublimation

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