Related Questions

Saponification value/number of an oil or fat is a measure of its
A Fatty acid content
B Degree of unsaturation of the fatty acids present in it
C Average molecular weight
D Insoluble fatty acid content
Saponification is a defect on the painted surface and it is identified by the appearance of:
A Wrinkles
B Dull patches
C Bubbles
D Soapy patches
How does common salt help in separating soap from the solution after saponification?
A By decreasing density of Soap
B By decreasing solubility of Soap
C By increasing density of Soap
D By increasing solubility of Soap
Saponification number of an oil or fat
A Gives an idea about its molecular weight
B Is inversely proportional to its molecular weight
C Detects its adulteration
D All of the above
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and difference of the digits of the number if the ratio between the digits the number is 1 : 2?
A 4
B 8
C 16
D 24
The difference between the radio of bigger difference between circle and smaller circle is 14 and the difference between their sareas is 1056 cm2 . Radius of the smaller circle is .
A 7 cm
B 5 cm
C 9 cm
D 3 cm
a chemial is mixed 30 ml mixed , 10 ml is acid , how much ml of acid must be mixed such that a 50/50 mixure of water and acid is attend if no additional water is added
A 20
B 10
C 40
D 30
How many liters of a 90% of concentrated acid needs to be mixed with a 75% Solution of concentrated acid to get a 30 liter Solution of 78% concentrated acid?
A 8
B 6
C 7
D 9
The molecular mass of sulphuric acid is 98. If 49 g of the acid is dissolved in water to make one litre of solution, what will be the strength of the acid?
A Two normal
B One normal
C 0.5 normal
D Four normal
Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).
A H
B 12.6 H
C 13.6 H
D 14.6 H

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