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Saponification value - Analysis of oils and fats
It is quantify of fatty acids denote as esters in oils and fats. It is described as the number of milligrams of KOH needed to saponify one gram of the oil or fat or number of milligrams of KOH needed to neutralize the free acids resultant from the hydrolysis of one gram of an oil or fat. It is illustrated by refluxing a Saponification number of fat or oil
= 168000/M, Where M stands for molecular mass
Problem: Let us calculate Q value of the reaction 27 Al (d, α) 25 Mg Answer: Given that masses of 27 Al = 26.981541 2 H = 2.014102 4 He = 4.
Physical properties of Halo-arenes (i) Physical state: they are colourless liquid or crystalline solid. (ii) Solubility: Halo-arenes are not soluble with water, but dissolve
Ask question the density of 2 molal aqueous solution of NaOH is 1.1.gram/litre. Calculate the molality of solution?
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Q. Estimation of synthetic food colours in foods? Food colours in various products need to be isolated, identified and then quantitatively measured for their limits. Estimatio
Which one is not the correct relation in the following: (1) h= E/ v (2) E= mc 2 (3) Δ x × p = h/ 4 Π (d) γ
Cellulose - Biomolecules Cellulose is found in all plants and thus is the most abundant of all carbohydrates. It is the substance required to form cell walls and another struct
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