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Atoms and Elements Quiz Questions and Answers PDF p. 64

Atoms and Elements quiz questions and answers, atoms and elements MCQ with answers PDF 64 to solve O Level Chemistry mock tests for online college programs. Solve Elements, Compounds and Mixtures trivia questions, atoms and elements Multiple Choice Questions (MCQ) for online college degrees. Atoms and Elements Interview Questions PDF: properties: bases and reactions, o level chemistry: states of matter, pure substances and mixtures, ph scale: acid and alkali, atoms and elements test prep for colleges offering online degree programs.

"Symbol of Cobalt is" MCQ PDF with choices cu, co, cl, and ca for ACT prep classes. Practice elements, compounds and mixtures questions and answers to improve problem solving skills for completely online college.

Quiz on Atoms & Elements MCQs

MCQ: Symbol of Cobalt is

Co
Cu
Cl
Ca

MCQ: Which of the following has a pH of 7?

sugar solution only
salt solution only
strong acids
sugar and salt solution

MCQ: Presence of impurities in ethanol (C2H5OH) will

lower the boiling point
raise the boiling point
lower the rate of evaporation
none of above

MCQ: Substances which transform from solid into a gas directly, are called as

Amphoteric oxides
basic oxides
sublimations
neutral oxides

MCQ: In the presence of phenolphthalein, alkali shows

blue color
violet color
pink color
green color