Class 7 Science MCQs - Chapter 15
Mixtures Trivia Questions & Answers PDF Download - 8
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The Mixtures Trivia Questions and Answers PDF (Mixtures Quiz Answers PDF e-Book) download Ch. 15-8 to study Grade 7 Science Course. Practice What is Mixture MCQ PDF, Mixtures Quiz Questions and Answers to learn online school courses. The Mixtures Trivia App Download: Free Grade 7 Science Study [Free] App for what is mixture, element compound and mixture test prep for online education.
The Quiz: The gases in the air can be separated by process of; "Mixtures" App APK Download with answers: evaporation, distillation, fractional distillation, and decomposition to learn online school courses. Practice What is Mixture MCQ Questions, download Kindle eBook (Free Sample) for virtual online school.
Mixtures Test Questions and Answers PDF Download: MCQ 8
The gases in the air can be separated by process of
- distillation
- evaporation
- fractional distillation
- decomposition
Mixtures may comprise
- element
- compounds
- solution
- both a and b
When mixtures are formed there is no exchange of
- energy
- heat
- gases
- all of them
The melting point of 'sodium' is
- 98
- 101
- -101
- 801
In clean air, the composition of oxygen by volume is
- 0.2095
- 0.78
- 0.009
- 0.0003
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