Atoms & Elements Quiz Questions and Answers 64 PDF Download

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Practice atoms and elements career test with multiple choice question (MCQs): symbol of cobalt is, for online certificate courses with options co, cu, cl, ca with college majors' courses online for high school students, state college students and community college students. Learn elements, compounds and mixtures questions and answers with problem-solving skills assessment test.

Quiz on Atoms & Elements Worksheet 64Quiz PDF Download

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: A pH of 7 is of

  1. sugar solution
  2. salt solution
  3. weak acids and bases
  4. Both A and B

D

Pure Substances and Mixtures Quiz

MCQ: Presence of impurities in ethanol (C2H5OH) will cause

  1. lower the boiling point
  2. raise the boiling point
  3. the boiling at an exact temperature
  4. lower rate of evaporation

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 presence of phenolphthalein, alkali shows

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

C