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Q. Show the Uses of Emulsions? Emulsions provide many useful functions in food preparation and processing. They: 1) act as vehicles for flavour to foods, 2) dilute ingr
For the dissociation equilibrium of formic acid, HCO 2 H(aq) ↔ H + (aq) + HCO 2 - (aq), the acid dissociation constant at 298.15K has the value K a = 1.77 *10 -4 . (a) Find t
Pauli's exclusion principle states that: (1) Two electrons in the same atom can have the same energy (2) Two electrons in the same atom cannot have the same spin (3) The
The nucleus of an element contains 9 protons. Its valency would be : (1) 1 (2) 3 (3) 2 (4) 5 Ans: 1
Bond strength in hydrocarbons As much shorter is the bond size, the greater is the compression among molecules atomic nuclei and therefore greater is the strength of that bond.
A sample of caco3 and mgco3 weighing 192 g is ignite to constant weight of 10 g. calculate sample composition.
Q. Explain about Peroxoacids of Sulphur? There are two peroxoacids of sulphur, viz., peroxomonosulphuric acid, H 2 SO 5 , and peroxodisulphuric acid, H 2 S 2 O,. These acids ar
what are the most important rules of iupac nomenclature that a student should know
Calculating equilibrium constant
Optical rotation (optical activity) is the turning of the plane of linearly polarized light about the direction of motion as the light travels by certain materials. It happens in s
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