Chemical Formulae and Equations Multiple Choice Questions and Answers 3 PDF Book Download

Chemical formulae and equations MCQs, chemical formulae and equations quiz answers, O level chemistry test 3 to learn chemistry online courses. Learn chemical symbols multiple choice questions (MCQs), chemical formulae and equations quiz questions and answers for admission and scholarships exams. Practice assessment test on chemical symbols, valency and chemical formula, reactants, relative molecular mass test prep for chemistry certifications.

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MCQ on Chemical Formulae & Equations Test 3Quiz Book Download

MCQ: Variable valencies are used to indicate ions

  1. greater than +1
  2. greater than −1
  3. with more than one valency
  4. all of these


MCQ: In CuO (Copper Oxide), valency of Copper is

  1. +1
  2. +2
  3. −1
  4. −2


MCQ: In order to get Sodium Sulfite (Na2SO3) as product, reactants shall be Sulfur Dioxide (SO2) and

  1. Na2CO3
  2. NaOH
  3. NaCl
  4. Both A and B


MCQ: Relative molecular mass of Na2CO3 is

  1. 98
  2. 128
  3. 286
  4. 198


MCQ: Formula of Ammonium Sulfate ((NH4)2SO4) is

  1. NH4(SO4)2
  2. NH4(HSO4)2
  3. (NH4)2SO4
  4. (NH3)2SO3