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IGCSE O Level Chemistry Admission Tests: Mock Test 17

Chemical Symbols Quiz Questions and Answers PDF Download - 17

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The Chemical Symbols Quiz Questions and Answers PDF (Chemical Symbols Quiz with Answers PDF e-Book) download Ch. 3-17 to learn IGCSE O Level Chemistry Practice Tests. Solve Chemical Formulae and Equations MCQ with answers PDF, Chemical Symbols Multiple Choice Questions (MCQ Quiz) for online colleges for science. Free Chemical Symbols Quiz App Download: IGCSE O Level Chemistry Quiz e-Book PDF to learn chemical symbols, valency and chemical formula, reactants, redox reactions test prep for colleges that offer online degrees.

The Quiz: Variable valencies are used to indicate ions; "Chemical Symbols" App Download [Free] with answers: greater than −1, greater than +1, and with more than one valency for online colleges for science. Learn Chemical Formulae and Equations Questions and Answers, Apple iBook to download free sample to learn online IGCSE GCSE courses.

Chemical Symbols Questions and Answers PDF Download: MCQ 17

MCQ: 81

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: 82

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

  1. +1
  2. +2
  3. −1
  4. −2
MCQ: 83

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: 84

Old paintings became decolorized due to

  1. Lead Sulphide PbS
  2. Lead Sulphate PbSO4
  3. Lead Chloride PbCl2
  4. Lead Oxide PbO
MCQ: 85

Relative molecular mass of Na2CO3 is

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

Chemical Symbols Admission Tests: IGCSE O Level Chemistry App & eBook Quizzes

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