Mixtures Multiple Choice Questions and Answers 2 PDF Download

Mixtures multiple choice questions, learn grade 7 science online test prep 2 for elementary school online courses, distance learning for exam prep. Practice separating mixtures multiple choice questions (MCQs), mixtures quiz questions and answers for science class for 7th grade science assessment.

Study elementary school science multiple choice questions (MCQs): technique which is used to desalinate water, is, for free online courses with choices distillation, reverse osmosis, filtration, and heating, separating mixtures quiz for online competitive tests preparation for elementary school admission and high school admission. Free science study guide for online learning separating mixtures quiz questions to attempt multiple choice questions based test.

MCQs on Mixtures Worksheets 2 Quiz PDF Download

MCQ: A technique which is used to desalinate water, is

  1. reverse osmosis
  2. distillation
  3. filtration
  4. heating


MCQ: Balloons are filled with

  1. carbon dioxide
  2. oxygen
  3. helium
  4. nitrogen


MCQ: Nitrogen helps in preparation of nitrogen based

  1. plants
  2. fertilizers
  3. seeds
  4. trees


MCQ: For purification water is passed through

  1. sand
  2. colander
  3. watch glass
  4. strainer


MCQ: Percentage of noble gases in air is

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