Mixtures Multiple Choice Questions and Answers 8 PDF Download

Learn mixtures multiple choice questions, grade 7 science online test 8 for elementary school degree online courses, distance learning for exam prep. Practice what is mixture multiple choice questions (MCQs), mixtures quiz questions and answers for science class for 7th grade assessment test.

Study elementary school science multiple choice questions (MCQs): gases in air can be separated by process of, for free online courses with choices evaporation, distillation, fractional distillation, and decomposition, what is mixture quiz for 7th grade school students for online learning 7th grade science worksheets. Free science study guide for online learning what is mixture quiz questions to attempt multiple choice questions based test.

MCQs on Mixtures Worksheets 8 Quiz PDF Download

MCQ: Gases in air can be separated by process of

  1. distillation
  2. evaporation
  3. fractional distillation
  4. decomposition

C

MCQ: Mixtures may comprise

  1. element
  2. compounds
  3. solution
  4. both a and b

D

MCQ: When mixtures are formed there is no exchange of

  1. energy
  2. heat
  3. gases
  4. all of them

A

MCQ: Melting point of 'sodium' is

  1. 98
  2. 101
  3. -101
  4. 801

A

MCQ: In clean air, composition of oxygen by volume is

  1. 0.2095
  2. 0.78
  3. 0.009
  4. 0.0003

A