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Chemical Formulae and Equations Questions and Answers PDF Download eBook

Practice Chemical Formulae and Equations quiz questions and answers PDF, chemical formulae and equations trivia questions PDF worksheets, O level chemistry test 3 for online certification. Learn chemical symbols MCQs, "Chemical Formulae and Equations" quiz questions and answers for admission and merit scholarships test. Learn chemical symbols, valency and chemical formula, reactants, relative molecular mass career test for GRE subject tests.

"Variable valencies are used to indicate ions" Multiple Choice Questions (MCQ) on chemical formulae and equations with choices greater than −1, greater than +1, with more than one valency, and none of above for ACT subject tests. Practice chemical symbols quiz questions for jobs' assessment test and online courses for online bachelor degree programs.

Chemical Formulae & Equations Questions and Answers PDF Download eBook

MCQ: Variable valencies are used to indicate ions

  1. greater than +1
  2. greater than −1
  3. with more than one valency
  4. none of above


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

  1. +1
  2. +2
  3. −1
  4. −2


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

  1. Na2CO3
  2. NaOH
  3. NaCl
  4. Na2CO3 and NaOH


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