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Q. Illustrate Egg White Foams?
Egg white foams when whipped or beaten, the air gets entrapped in the liquid present, and an interfacial tension is established between the air-liquid interface. The three proteins which are responsible for foam formation in eggs are globulin, ovalbumin and ovomucin. On beating, ovomucin gets sheared to form hollow tubes about 300-400µ in length. The foam is further helped by some protein coagulation at the air-water interface. With agitation, the egg albumin can be spread over a large surface area, and air can be incorporated into bubbles created by beating the proteins.
alkali metals belong to s-block in the periodic table ,why?
how much time will it require to spend 0.1 mole of rupees when the average rate of expenditure is 1 billion rupees per second?
Q. Explain about Gravity Separation? This is one of the simplest processes of concentration of ores. It is based on the difference in the specific gravities of the gangue and o
Q. Determine the Uniqueness of Carbon? Ans. Carbon forms a very large number of compounds--over 4,000,000. This is far more than the number of compounds of all other eleme
transition elements form coloured compound. Why?
If change in energy (ΔE) = 3x 10 -8 j, h= 6.64x 10 -34 j-s and c= 3x 10 8 m/s then wavelength of the light is: (1) 6.36x 10 3 Å (2) 6.36x 10 5 Å
Do you do power point assignments and if you do, what is the turn around time?
Q1: The complexes of Fe +2 with 1, 10- phenanthroline has a molar absorptivity of about 11,000 L/mol cm in water at 510 nm. A 20 ml water sample thought to contain Fe +2 is mix
Atoms with the different numbers of neutrons and same atomic number are known as isotopes. The chemical properties of an element are determined by wildly the charge on the nucleus,
A mol 4:1 mixture of He and CH4 is contained in vessel at 20 bar pressure.Due to a hole in the vessel the gas mixture leaks out.the composition of the mixture,effusing out initiall
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