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Quantum numbers of an atom can be defined on the basis of: (1) Hund's rule (2) Aufbau's principle (3) Pauli's exclusion principle (4) Heisenberg's uncertainty principl
Q. Detect the presence of synthetic food colours in the given samples? Objectives After conducting this activity, you will be able to: • describe the kind of natural
What is difference between silica used in TLC and HPLC column? TLC is called thin layer chromatography. The simple technique works on the principle of adsorption, where as HPLC i
FTIR instrumentation
Preparation of dimethylbutan: Procedure: Prepare a mixture of 3,3-dimethylbutan-2-one (trivial name pinacolone; 20.0 g, 0.200 moles), redistilled benzaldehyde (24.0 g,
Electromeric effect (1) The occurrence of movement of electrons from one atom to other in multi bonded atoms at the demand of attacking reagent is known as electromeric effect.
Illustrate the following observations: (a) Cottrell's smoke precipitator is fitted at the mouth of the chimney used in factories. (b) Ferric hydroxide sol. Gets coagulated
what size is an atom
Chemical Changes During the processing and storage of foods, several chemical changes occur that involve the internal food components and the external environmental factors. T
discuss the concentration of cations in the solution copper sulphate and zinc sulphate
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