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Chromatography - Purification of organic compounds
This is a modern technique employed for the separation of mixtures into its components, purification of compounds and as well to test the purity of elements. The name chromatography is related along with the Greek word 'chroma' meaning colour and 'graphy' for writing as the technique was first employed for the separation of coloured substances found in plants. This technique was described by Tswett in 1906.
Q. Determine the acid insoluble ash in the sample of flour? After undertaking this activity, you will be able to: • assess the mineral content in the given sample of flour,
Delocalisation of electrons in conjugated system is called resonance. For example there is delocalisation of electrons in benzene ,hence we write kekule structure for benzen.
How lots of significant figures are in the following measurements? a. 0.002 849 kg b. 40 030 kg Imply rules 1-4 from above. Verify your answers by writing the quantit
lithium and beryllium markedly different from other members of their respectively groups
Q. Show the Hydrides of Boron and Aluminium? Boron forms a series of volatile hydrides which resemble in some respects, e.g., volatility and covalent nature, the hydrides of c
what is the meaning of solution
Time taken for an electron to complete one revolution in the Bohr orbit of hydrogen atom is: (1) 4 Π mr 2 / nh (2) nh/ 4Π 2 mr (3) nh/ 4Π 2 mr 2
at what temperature centigrade will the volume of a gas at 0 degrees Celsius double itself pressure remaining constant
Q. Show the Process of ion exchange chromatography? The process of ion exchange chromatography is the most important, effective and rapid method for the separation and purifica
In crystallography, water of crystallization or water of hydration or crystallization water is water that occurs in crystals. Water of crystallization is essential for the maintena
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