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Describe the following giving suitable examples:
i. Cannizzaro reaction
ii. Aldol condensation
b. Give a chemical test to distinguish among ethanal and propanal.
Flash point - Characteristics of Hydrocarbons The minimum temperature at which an oil provides enough vapours to form an explosive mixture with air is considered as flash point
The value of Planck's constant is 6.63x 10 -34 Js. The velocity of light is 3.0x 10 8 ms -1 . Which value is closest to the wavelength in nanometres of a quantum of light with
prove berzelius hypothesis
chemistry and mechanism of action
Who modified Bohr's theory by introducing elliptical orbits for electron path: (1) Hund (2) Thomson (3) Rutherford (4) Sommerfield Ans: Sommerfield
Q. Illustrate about square planar complexes? For square planar complexes Mu, Ma3b or Mab3 where a and b etc., are monodentate ligands, again the geometrical isomerism is not p
Number of protons, neutrons and electrons in the element 231/89 y is: (1) 89, 231, 89 (2) 89, 89, 242 (3) 89, 142, 89 (4) 89, 71, 89 Ans: 89, 142, 89
Citrus Fruits A large number of constituents in citrus products have been shown to be capable of preventing or alleviating diseases and promoting health. Vitamin C, E, and car
explain heat as internal energy as state function
What do you mean by limiting diffusion current in polarography
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