Atoms Molecules Mixtures and Compounds Multiple Choice Questions and Answers 25 pdf eBooks Download

Learn atoms molecules mixtures and compounds MCQs, grade 6 science test 25, substance and properties multiple choice questions and answers. Substance and properties revision test has science worksheets, answer key with choices as electron, molecule, metal and compound of multiple choice questions (MCQ) with substance and properties quiz as the smallest part of a substance would be referred as a for competitive exam prep, viva interview questions. Free science study guide to practice 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

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