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Chemical Symbols Multiple Choice Questions PDF p. 17

Chemical Symbols multiple choice questions and answers, chemical symbols quiz answers PDF 17 to learn O Level Chemistry course for college certification. Learn Chemical Formulae and Equations MCQ trivia questions, chemical symbols Multiple Choice Questions (MCQ) for online college degrees. Chemical Symbols Interview Questions PDF: 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" MCQ PDF with choices greater than −1, greater than +1, with more than one valency, and none of above for free online classes. Solve chemical formulae and equations questions and answers to improve problem solving skills for colleges that offer online courses.

Chemical Symbols Questions and Answers MCQs

MCQ: Variable valencies are used to indicate ions

greater than +1
greater than −1
with more than one valency
none of above

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

+1
+2
−1
−2

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

Na2CO3
NaOH
NaCl
Na2CO3 and NaOH

MCQ: Old paintings became decolorized due to

Lead Sulphide PbS
Lead Sulphate PbSO4
Lead Chloride PbCl2
Lead Oxide PbO

MCQ: Relative molecular mass of Na2CO3 is

98
128
286
198