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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.
Explain the Two solids and a solvent - Phase Diagram? The phase diagram in Figure on the next page is for a ternary system of water and two salts with an ion in common. There i
anamolous behavior of berylium
Q. Explain about Froth flotation process? Froth flotation process is the most important method for beneficiation of ores. This process has made possible the beneficiation of lo
Which of the following sets is possible for quantum numbers : (1) n=4, l=3, m= -2 , s=0 (2) n=4, l=4, m= +2 , s=1/2 (3) n=4, l=3, m= -2 , s=+1/2 (4)
Time taken for an electron to complete one revolution in the Bohr orbit of hydrogen atom is: (1) 4 Π mr 2 / nh (2) nh/ 4Π 2 mr (3) nh/ 4Π 2 mr 2
strain theory
There are 13 electrons in an element whose nucleus comprise 14 neutrons. Obtain atomic number and atomic weight of this element. If atomic weight of the isotope of above element is
How many octahedral and tetrahedral voids are present in HCP? Ans) octa -no of atoms prsnt ,nd tetra -twice of it.
reactivity of f-block elements
2Zns + 3O 2 ---------> 2ZnO + 2SO 2 ZnCO 3 -------------> ZnO + CO 2 ZnO +C ------> Zn +CO ZnO + CO -----------> Zn + C0 2
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