Class 7 Courses

Chapter 15: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 15

Mixtures Multiple Choice Questions (MCQ) PDF Download - 2

The Mixtures Multiple Choice Questions (MCQ Quiz) with Answers PDF (Mixtures MCQ PDF e-Book) download Ch. 15-2 to learn Grade 7 Science Course. Study Separating Mixtures Multiple Choice Questions and Answers (MCQs) PDF, Mixtures Quiz Questions and Answers to learn online certificate courses. The Mixtures MCQ App Download: Free educational app for separating mixtures, what is mixture test prep for online teaching certification programs.

The MCQs: A technique which is used to desalinate water, is; "Mixtures" App (Android, iOS) with answers: Distillation; Reverse osmosis; Filtration; Heating; to learn online certificate courses. Practice Separating Mixtures MCQ Questions, download Apple e-Book (Free Sample) for online study.

Mixtures MCQs with Answers PDF Download: Quiz 2

MCQ 6:

A technique which is used to desalinate water, is

  1. reverse osmosis
  2. distillation
  3. filtration
  4. heating
MCQ 7:

Balloons are filled with

  1. carbon dioxide
  2. oxygen
  3. helium
  4. nitrogen
MCQ 8:

Nitrogen helps in preparation of nitrogen based

  1. plants
  2. fertilizers
  3. seeds
  4. trees
MCQ 9:

For purification water is passed through

  1. sand
  2. colander
  3. watch glass
  4. strainer
MCQ 10:

The percentage of noble gases in air is

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

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Mixtures App (Android & iOS)

Mixtures App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (iOS & Android)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (iOS & Android)