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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.
We are asked to design a qualitative analysis scheme that can be used to determine which cations are present in a solution containing only four of the following cations: Pb2+, Ag+,
explain how electrophoretic effect affects transport number
plzzzzzzz sir giv me some information about law of constant proportion my email id is [email protected]
define free radical mechanism of additon reaction
(a) Explain in terms of ionic equilibria why the aqueous solution of a salt derived from a weak acid and a strong base (e.g. sodium phenolate) has a pH greater than 7. (b) B
atomic radius and compared its atomic radius to the other radiuss in its group
Write one chemical reaction each to show that (a) Tin (II) chloride is a reducing agent. (b) Chlorine gas can be getting from bleaching powder.
Explain classification of arches according to shapes raw a neat sketch of Flemish bond (1 brick wall and 1.5 brick wall thickness ).
State 2nd law of thermodynamics in many forms as possible and show that they are identical in figures?
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