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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
Antioxidants: Antioxidants are the significant and essential food additives. These substances hold back the action of oxygen on the food and hence help in its preservation. Th
Q) Whcih process according to Nelson's or caster - Keller process, is betterfor producing NAOH; Explain tha process Ans: Nelson's Process:- ( Perforated diaphragm Process) Princ
mass of atom
n-propyl acetate (bp 102 C) evaporates rapidly when exposed to air, but water(bp 100C)does not. Explain why
Q. Describe Sulphurous Acid ? Sulphurous acid H 2 SO 3 is known only in solution. It exists mainly as a hydrate of sulphur dioxide SO 2 . 7H 2 O two series of salts the bisulp
what are the classification of colloids ?
Microbiological changes Microbes have the ability to multiply at high rates when favourable conditions are present. Prior to harvest, fruits and vegetables have generally goo
A single-effect evaporator is used to concentrate 60000 kg h-1 of a 40 wt % NaOH solution which is fed to the evaporator at 40°C. The concentrated liquid is a 55 wt % NaOH solut
Introduction Methods of characterization aim to calculate the products of a reaction. The level of detail expected depends on the circumstances, and calculates the range of met
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