Chemical Formulae and Equations Notes App | IGCSE O Level Chemistry Notes e-Book PDF

IGCSE O Level Chemistry MCQs (O Level) From Textbook

IGCSE O Level Chemistry Exam MCQs – Practice Test 28 (Chapter 3)

Chemical Formulae and Equations Notes Questions with Answers PDF Download – Test 28

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Learn Chemical Formulae and Equations Notes Questios and Answers PDF (Chemical Formulae and Equations Quiz Answers PDF e-Book) download Ch. 3-28 to study IGCSE O Level Chemistry Course. Solve Atomic Mass MCQs, Chemical Formulae and Equations quiz answers PDF to improve chemistry literacy. Study Chemical Formulae and Equations Notes App Download: Free IGCSE O Level Chemistry Notes App to learn chemical symbols, chemical reactions, valency and chemical formula career test to maximize chemistry digital quality.

Free "Chemical Formulae and Equations" App with MCQ: Relative atomic mass of 3O3 is; with answers: 140, 48, 180, and 320 to improve chemistry literacy. Practice Reactants Quiz Questions, download Kobo e-Book (Free Chapter) to improve chemistry literacy.

Chemical Formulae & Equations Test Questions and Answers PDF Download: MCQ 28

MCQ 136: Relative atomic mass of 3O3 is:

  1. 48
  2. 140
  3. 180
  4. 320

MCQ 137: The formula of potassium sulfate is:

  1. KSO3
  2. KSO4
  3. KHSO3
  4. K2SO4

MCQ 138: To balance Al(OH)3 + HNO3 → Al(NO3)3 + H2O, number of HNO3 molecules required will be:

  1. 2
  2. 4
  3. 6
  4. 8

MCQ 139: The chemical formula of butane is:

  1. CH4
  2. C2H4
  3. C3H8
  4. C4H10

MCQ 140: The valency of Sulphide is:

  1. +1
  2. +2
  3. -1
  4. -2

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