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

IGCSE O Level Chemistry MCQs (O Level) From Textbook

IGCSE O Level Chemistry MCQs – Practice Test 23 (Chapter 3)

Chemical Formulae and Equations Quiz with Answers PDF Download – Test 23

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Study Chemical Formulae and Equations Quiz Questions and Answers PDF (Chemical Formulae and Equations Quiz PDF e-Book) download Ch. 3-23 to study IGCSE O Level Chemistry Course. Practice Chemical Symbols Quiz, Chemical Formulae and Equations MCQ questions and answers PDF for chemistry online academic continuity. The IGCSE O Level Chemistry Learning App Download: Free Chemical Formulae and Equations Quiz App to study chemical equations, chemical and ionic equations career test to pursue virtual chemistry.

Free "IGCSE O Level Chemistry" App (Android & iOS) with MCQ: Formula of Zinc Chloride (ZnCl2) indicates that charge on Zinc ion (Zn+2) is; with answers: +2, +1, −1, and &minus2 for chemistry revision resources. Study Basic Acidic Neutral & Amphoteric Quiz Questions, download Google Book (Free Chapter) for chemistry online academic continuity.

Chemical Formulae & Equations Exam Questions and Answers PDF Download: Test 23

MCQ 111: Formula of Zinc Chloride (ZnCl2) indicates that charge on Zinc ion (Zn+2) is:

  1. +1
  2. +2
  3. −1
  4. −2

MCQ 112: Valency of iron (Fe) is:

  1. Fe+2 only
  2. Fe+3 only
  3. Fe+5
  4. Fe+2 and Fe+3

MCQ 113: Consider Calcium Carbonate (CaCO3) and Hydrochloric Acid (HCl) as reactants, molecules of Hydrochloric Acid (HCl) required to balance the equation will be:

  1. 1
  2. 2
  3. 3
  4. 4

MCQ 114: State symbol indicate the:

  1. state form
  2. liquid form
  3. rigidity
  4. volatility

MCQ 115: Butane (C4H10) molecular weight is:

  1. 58.122 g/mol
  2. 63.71 g/mol
  3. 55.12 g/mol
  4. 51.19 g/mol

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