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Atoms and Elements Quiz Questions and Answers PDF Download eBook - 64

Atoms and Elements quiz questions and answers, atoms and elements MCQs with answers PDF 64 to practice O level chemistry mock tests for online college programs. Practice "Elements, Compounds and Mixtures" quiz questions with answers, atoms and elements Multiple Choice Questions (MCQ) for online college degrees. Free atoms and elements MCQs, 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", atoms and elements Multiple Choice Questions (MCQ) with choices cu, co, cl, and ca for ACT prep classes. Learn elements, compounds and mixtures questions and answers to improve problem solving skills for completely online college.

Quiz on Atoms & Elements PDF Download eBook

Atoms and Elements Quiz

MCQ: Symbol of Cobalt is

  1. Co
  2. Cu
  3. Cl
  4. Ca

A

pH Scale: Acid and Alkali Quiz

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

  1. sugar solution only
  2. salt solution only
  3. strong acids
  4. sugar and salt solution

D

Pure Substances and Mixtures Quiz

MCQ: Presence of impurities in ethanol (C2H5OH) will

  1. lower the boiling point
  2. raise the boiling point
  3. lower the rate of evaporation
  4. none of above

B

O level Chemistry: States of Matter Quiz

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

  1. Amphoteric oxides
  2. basic oxides
  3. sublimations
  4. neutral oxides

C

Properties: Bases and Reactions Quiz

MCQ: In the presence of phenolphthalein, alkali shows

  1. blue color
  2. violet color
  3. pink color
  4. green color

C