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IGCSE O Level Chemistry Certification Exam Tests

IGCSE O Level Chemistry Practice Test 154

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

The 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) to study online schools courses. 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 accredited online college courses.

The MCQ Quiz: The chemical formula of butane is; "Valency & Chemical Formula" App (Android & iOS) with answers: C2H4; CH4; C3H8; C4H10; to study online schools courses. Practice Chemical Formulae and Equations Questions and Answers, Google eBook to download free sample for GRE subject test tutoring.

Valency & Chemical Formula MCQ with Answers PDF Download: Quiz 154

MCQ 766:

The chemical formula of butane is

  1. CH4
  2. C2H4
  3. C3H8
  4. C4H10
MCQ 767:

Evaporation of solution of CuSO4 helps in

  1. making it concentrated only
  2. crystallization of CuSO4 only
  3. evaporation of salt CuSO4
  4. making it concentrated and crystallization of CuSO4
MCQ 768:

What is true about distilled water?

  1. it has some impurities left in it
  2. it is very pure water
  3. it is obtained through fractional distillation
  4. it is obtained through decanting
MCQ 769:

The valency of Sulphide is

  1. +1
  2. +2
  3. -1
  4. -2
MCQ 770:

What is true about crystals?

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

IGCSE O Level Chemistry Exam Prep Tests

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Valency & Chemical Formula App (Android & iOS)

Valency & Chemical Formula App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (iOS & Android)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (iOS & Android)