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Q. Explain Colligative properties of Solutions?
Colligative properties of solutions are those properties which depend on the concentration of the solution rather that the type of substance in the solution.
The following colligative properties result from increasing the concentration of a solution:
The vapor pressure of the solution is lowered The boiling point is increased The freezing point is decreased
Conditions which a dye must satisfy and describe them
merits& demerits of free radical mechanism
Solid propellants these types of propellants are mixtures of solid fuel and a solid oxidizer. These are further categorized into two sub-classes, (1) Composite propellants
what is the structural formula of Hexane-1,6-dioic acid
Draw the structures of white phosphorus and red phosphorus. Which one of these two types of phosphorus is more reactive and why?
Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
The mass of a photon with a wavelength equal to 1.54 x 10 -8 cm is: (1) 0.8268 x 10 -34 kg (2) 1.287 x10 -33 kg (3)1.4285x 10 -32 k
Explain the mechanism of fluid film or hydrodynamic lubrication.
If wavelength of photon is 2.2x10 -11 m, h= 6.6x 10 -34 J-sec, then momentum of photon is: (1) 3x 10 -23 kgms -1 (2) 3.33x 10 22 kgms -1 (3) 1.452x 10-
Hybridisation of sulfury chloride
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