Atoms Molecules Mixtures and Compounds Multiple Choice Questions 25 PDF Download

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Science multiple choice questions (MCQ) on smallest part of a substance would be referred as a with options electron, molecule, metal and compound, substance and properties quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn substance and properties quiz to attempt multiple choice questions based test.

MCQs on Atoms Molecules Mixtures and Compounds Quiz PDF Download Worksheets 25

MCQ. Smallest part of a substance would be referred as a

  1. molecule
  2. electron
  3. metal
  4. compound


MCQ. Elements that make up most living organisms are

  1. hydrogen
  2. oxygen
  3. carbon
  4. all of them


MCQ. Element is a class that cannot be separated into further simple substances by

  1. scientific means
  2. physical means
  3. chemical means
  4. none of them


MCQ. Chemical formula for chalk is

  1. C2H5OH
  2. H2SO4
  3. CaCO3
  4. C2H3O2


MCQ. Sublimation is a process in which solid changes to gas without passing through the

  1. evaporation
  2. solid phase
  3. liquid phase
  4. crystal phase