Mixtures Multiple Choice Questions 8 PDF Download

Practice mixtures MCQs, grade 7 online science test 8, what is mixture multiple choice questions and answers. What is mixture revision test has science worksheets, helping answer key with choices as evaporation, distillation, fractional distillation and decomposition of multiple choice questions (MCQ) with what is mixture quiz as the gases in air can be separated by process of for competitive exam prep, viva interview questions. Free science study guide to practice what is mixture quiz to attempt multiple choice questions based test.

MCQs on Mixtures Quiz PDF Download Worksheets 8

MCQ. The gases in the 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. The melting point of 'sodium' is

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

A

MCQ. In clean air, the composition of oxygen by volume is

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

A