Atoms Molecules Mixtures and Compounds Multiple Choice Questions Test 25 pdf Download

Practice science quiz 25 on atoms molecules mixtures and compounds MCQs, grade 6 substance and properties multiple choice questions. Free substance and properties guide has science worksheet with answering options electron, molecule, metal and compound of multiple choice questions (MCQ) with substance and properties quiz as smallest part of a substance would be referred as a for exam prep. Study to learn substance and properties quiz to attempt multiple choice questions based test.

MCQs on Atoms Molecules Mixtures and Compounds - Quiz 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