17 Jan 2021
Differences between crystallisation and evaporation to dryness
Crystallisation and evaporation to dryness are two different methods to separate different solutes from their solution.
15 Dec 2020
Mixtures & pure substances: The mystery of air
For most part of human history, scientists could not correctly tell whether air is a single substance or a mixture.
11 Dec 2020
Paper chromatography TYS questions – N Level Chemistry
Dye dye must try these typical TYS questions on separating dyes with paper chromatography!
10 Dec 2020
Paper chromatography
Paper chromatography is a simple yet powerful detective tool to separate and analyse the substances in a mixture.
5 Dec 2020
Simple distillation vs fractional distillation
A solution of two miscible liquids is tricky to separate. How can we solve it with fractional distillation, a modified version of simple…
3 Dec 2020
Distillation: An ancient technique to separate liquid
Distillation has been used to separate and purify liquid since more than 2000 years ago.