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Q. Test for hydrocyanic acid?
Hydrocyanic acid is present as an impurity in synthetic ethyl isothiocyanate, which is employed to make the flavour of mustard oil more pungent. The method is based on the reaction of hydrocyanic acid on the picric acid paper, which acquires a red colour in the presence of that acid.
After learning about the different tests for assessment of the quality of fats and oils, let us now apply this knowledge in assessing the quality of a given sample of fats and oils in experiments 1-5.
principle of radiometric titration
Chemical Properties Proteins - Oxidation Oxidation : Proteins are oxidised on putrefaction and burning. The products comprise amines, nitrogen, carbon dioxide and water. The un
the given solution contains 2.5g of laundry soap dissolved per 250 cubic cm.determine the amount of free alkali in 350 cubic cm.
dipole moment of para.nitro aniline is 6.10 D.why
Q. What are the Chemical Properties of Halogens? Ans. he halogens have 7 valence electrons in their outermost shell. Note that 7 is one electron short of the octet.
which of the properties of atoms of elements is the whole number/
What is the rate of reaction at the optimum temperature? (the starting concentration of the protein was 2 mg/ml, the Extinction coefficient (e) of the chromogenic product is A515 =
Illustrate the term Rolling with diagram A pair of cylindrical rollers made of iron or steel rotate in opposite direction with a gap between them which is smaller than cros
The nitrogen atom has 7 protons and 7 electrons, the nitride ion (N 3 -) will have: (1) 7 protons and 10 electrons (2) 4 protons and 7 electrons (3) 4 protons and 10 e
Electrophilic substitutions reactions: Electrophilic substitution includes the attack by an electrophile. It is denoted as S E ( S denotes substitution and E denotes elct
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