Class 7 Science MCQs - Chapter 16
Mixtures Trivia Questions and Answers PDF - 8
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Mixtures Questions & Answers PDF Download: MCQ Quiz 8
MCQ 36: The gases in the air can be separated by process of
- distillation
- evaporation
- fractional distillation
- decomposition
MCQ 37: Mixtures may comprise
- element
- compounds
- solution
- both a and b
MCQ 38: When mixtures are formed there is no exchange of
- energy
- heat
- gases
- all of them
MCQ 39: The melting point of 'sodium' is
- 98
- 101
- -101
- 801
MCQ 40: In clean air, the composition of oxygen by volume is
- 0.2095
- 0.78
- 0.009
- 0.0003
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Mixtures MCQ Book Questions
- Solute is broken apart in to smaller particles and mixed evenly upon adding it to
- When electric charge moves through electrical conductor, there is a production of
- Light of Proxima Centauri reaches the earth in
- When we inhale
- As compare to ionic compounds, covalent bond has
- "Thermos" was invented by a