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O Level Chemistry Practice Test 17

Chemical Symbols Quiz Questions PDF - 17

The Book Chemical Symbols Quiz Questions PDF, chemical symbols Quizzes, download chapter 3-17 to learn online o level chemistry course. Practice Chemical Formulae and Equations MCQs with answers PDF, chemical symbols Multiple Choice Questions (MCQ Quiz) for online college degrees. The eBook Chemical Symbols Quiz App Download: chemical symbols, valency and chemical formula, reactants, redox reactions, relative molecular mass test prep for ACT subject test tutoring.

The Quiz: Variable valencies are used to indicate ions PDF, "Chemical Symbols Quiz" App Download (Free) with greater than −1, greater than +1, with more than one valency, and none of above choices for free online classes. Solve chemical formulae and equations questions and answers, Amazon eBook to download free sample for colleges that offer online courses.

Chemistry: Chemical Symbols Quiz PDF Download

MCQ: Variable valencies are used to indicate ions

A) greater than +1
B) greater than −1
C) with more than one valency
D) none of above

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

A) +1
B) +2
C) −1
D) −2

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

A) Na2CO3
C) NaCl
D) Na2CO3 and NaOH

MCQ: Old paintings became decolorized due to

A) Lead Sulphide PbS
B) Lead Sulphate PbSO4
C) Lead Chloride PbCl2
D) Lead Oxide PbO

MCQ: Relative molecular mass of Na2CO3 is

A) 98
B) 128
C) 286
D) 198

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