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IGCSE O Level Chemistry Practice Test 154

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

The e-Book Valency and Chemical Formula Multiple Choice Questions and Answers (MCQs), valency and chemical formula MCQs Quiz PDF download chapter 3-154 to learn online igcse chemistry degree courses. 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 online college courses.

The MCQs Chemical formula of butane is: c2h4, ch4, c3h8 and c4h10 with "Valency & Chemical Formula" App Download (iOS & Android) Free for SAT test. Practice chemical formulae and equations questions and answers, Google eBook to download free sample for free online college courses.

Valency & Chemical Formula MCQ Questions PDF Download: Quiz 154

MCQ 766: The chemical formula of butane is

A) CH4
B) C2H4
C) C3H8
D) C4H10

MCQ 767: Evaporation of solution of CuSO4 helps in

A) making it concentrated only
B) crystallization of CuSO4 only
C) evaporation of salt CuSO4
D) making it concentrated and crystallization of CuSO4

MCQ 768: What is true about distilled water?

A) it has some impurities left in it
B) it is very pure water
C) it is obtained through fractional distillation
D) it is obtained through decanting

MCQ 769: The valency of Sulphide is

A) +1
B) +2
C) -1
D) -2

MCQ 770: What is true about crystals?

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

IGCSE O Level Chemistry Exam Prep Tests

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