Question

Q6. Define the following terms:
a) Chromatography
b) Centrifugation
c) Crystallisation
d) Tyndall Effect
e)Distillation (5 marks)​

Answer 1

Answer:

1. Chromatography is a process for separating components of a mixture. ... The different components of the mixture travel through the stationary phase at different speeds, causing them to separate from one another.
2. Centrifugation is the technique which involves the application of centrifugal force to separate particles from a solution according to their size, shape, density, viscosity of the medium and rotor speed.
3. Crystallization is defined as a process by which a chemical is converted from a liquid solution into a solid crystalline state.
4. Tyndall effect, also called Tyndall phenomenon, scattering of a beam of light by a medium containing small suspended particles—e.g., smoke or dust in a room, which makes visible a light beam entering a window. The effect is named for the 19th-century British physicist John Tyndall, who first studied it extensively.
5. Distillation refers to the selective boiling and subsequent condensation of a component in a liquid mixture. It is a separation technique that can be used to either increase the concentration of a particular component in the mixture or to obtain (almost) pure components from the mixture.

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