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What is different between distillation and …

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What is different between distillation and fractional distillation?

Posted by Harshita Sharma 6 years, 7 months ago

CBSE > Class 09 > Science

2 answers

Sahdev Sharma 6 years, 7 months ago

Simple distillation is the method used to separate substances in mixtures with significantly different boiling points, while fractional distillation is used for mixtures containing chemicals with boiling points close to each other.
Simple distillation will only have one distillation (vaporization-condensation) cycle in the whole process, while the fractional cycle will have at least two cycles.
Fractional distillation will use additional equipment called the ‘fractionating column’, while the simple distillation will not need that equipment.
Simple distillation is often used to separate the liquid substance from the solid substance. Doing such separation with fractional distillation is not sensible.

Sumit Ahirwar 6 years, 7 months ago

We use distillation only when the gases will have difference of more than 25* Whereas fractional distillation will have one more coloumn called fractional coloumn with glass beeds to decrease surface area gases with difference less than 25* we will use fractional distillation

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