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Fractional Distillation of Air MCQ (Multiple Choice Questions) PDF Download
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Fractional Distillation of Air MCQs PDF: Questions Answers Download
Nitrogen is obtained from the fractional distillation of liquefied air at about
- 196 °C
- 186 °C
- 176 °C
- 166 °C
To perform fractional distillation of air, it must be liquefied and then purified to remove
- dust
- molecule
- atom
- rust
Fractional distillation consists of
- two steps
- three steps
- four steps
- five steps
A method that is mainly used in separating the components of crude oil is known as
- chromatography
- filtration
- evaporation
- fractional distillation
The fractional distillation is a process in which liquids evaporate at
- none of them
- constant temperature
- different temperature
- same temperature
Class 6 Science Practice Tests
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