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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.
The number of unpaired electrons in nitrogen is: (1) 1 (2) 3 (3) 2 (4) None of these Ans: 3
Which of following carbon has sp3 hybriziation for bond formation.??? Ch3,c2h6,(ch3)3cho
HOW MANY HALF LIVES ARE REQUIRED FOR THE CONCENTRATION OF REACTANT TO DECREASE BY 1.56 PERCENT OF ITS ORIGINAL VALUE
The nucleus of tritium contains: (1) 1 proton + 1 neutron (2) 1 proton + 3 neutron (3) 1 proton + 0 neutron (4)1 proton + 2 neutron An
Why cyclo propane is more stable than cyclohexane
Q.give characterstics of matter?
5
Where is tin obtained? Ans) Tin is obtained in several places tin is found mainly in the ore cassiterite, which is originate in Malaysia, Bolivia, Thailand, and Nigeria.
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