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Q. Illustrate Classification of Emulsions?
Emulsions are classified as:
• Oil-in-water emulsion: This is a colloidal dispersion in which droplets of oil are dispersed in water. Example is mayonnaise.
• Water-in-oil emulsion: This is a colloidal dispersion in which droplets of water are dispersed in oil.
Atomic spectroscopy: Atomic spectroscopy is the oldest instrumental method of elemental analysis. The origin of these methods dates back to the times of Bunsen and Kirchhoff i
Steric effect - Organic Chemistry On account of the existence of bulkier groups at the reaction centre, they makes problem as mechanical interference and with the result the at
Visualisation of hybrid orbitals
Q. What is Standard Enthalpy of Formation? Ans. It is really difficult to measure the total energy content or absolute entropy of a substance. In order to quantify entropy
Question Table 1 shows the specific rate of breakage S j and the values of the breakage distribution function b(i,j) of a mineral ore in a ball mill. Table 2 shows the size di
In a Bohr's model of atom when an electron jumps from n= 1 to n= 3 , how much energy will be emitted or absorbed: (1) 2.15 x10 -11 erg (2) 0.19
calomel construction and working
Transition metals are substances of the d block that form compounds where electrons from d orbitals are ionized or otherwise accept in bonding. Typical transition metal charac
Q. The pressure in a liquid droplet of radius r is greater than the pressure of the surrounding equilibrated gas phase by a quantity 2 =r, where is the surface tension. (a) Cons
sample exam questions
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