Atoms Molecules Mixtures and Compounds Multiple Choice Questions and Answers 25 PDF Download

Learn atoms molecules mixtures and compounds MCQs, grade 6 science test 25 for online learning courses and test prep. Substance and properties multiple choice questions (MCQs), atoms molecules mixtures and compounds quiz questions and answers include science worksheets for science help for students.

Science multiple choice questions (MCQ): smallest part of a substance would be referred as a with options electron, molecule, metal and compound, substance and properties quiz with online eBooks download for problem-solving skills for middle school and high school students. Free science study guide to learn substance and properties quiz to attempt multiple choice questions based test.

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

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

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

A

MCQ: Elements that make up most living organisms are

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

D

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

C

MCQ: Chemical formula for chalk is

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

C

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

C