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Chemical Symbols Quizzes Online MCQs PDF Download eBook

Chemical Symbols quiz questions, chemical symbols multiple choice questions and answers PDF 17 to learn online O level chemistry course for college certification. Practice "Chemical Formulae and Equations" quiz with answers, chemical symbols Multiple Choice Questions (MCQ) for online college degrees. Free chemical symbols MCQs, relative molecular mass, redox reactions, reactants, valency and chemical formula, chemical symbols test prep for ACT subject test tutoring.

"Variable valencies are used to indicate ions", chemical symbols Multiple Choice Questions (MCQ) with choices greater than −1, greater than +1, with more than one valency, and none of above for free online classes. Learn chemical formulae and equations questions and answers to improve problem solving skills for colleges that offer online courses.

Chemical Symbols Questions and Answers PDF Download eBook

Chemical Symbols Quiz

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

C

Valency and Chemical Formula Quiz

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

  1. +1
  2. +2
  3. −1
  4. −2

B

Reactants Quiz

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

D

Redox Reactions Quiz

MCQ: Old paintings became decolorized due to

  1. Lead Sulphide PbS
  2. Lead Sulphate PbSO4
  3. Lead Chloride PbCl2
  4. Lead Oxide PbO

A

Relative Molecular Mass Quiz

MCQ: Relative molecular mass of Na2CO3 is

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

C