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When an electron revolves in a stationary orbit then:
(1) It absorbs energy
(2) It emits radiation
(3) Its energy remains constant
(4 )It gains kinetic energy
Ans: Its energy remains constant
what could be the distillate present in acetaldehyde after preparation in lab
Which of the following ions is not having the configuration of neon: (1) F - (2) Mg +2 (3) Na + (4
how did the british discover this isotope on different things when they investigated the Litvenko murder
give the classification of alcohpl
Polyglycolic acid (PGA) : It is acquired by the chain polymerisation of cyclic dimer of glycolic acid, OH-CH2-COOH.
a hittorf cell fitted with Ag-AgClis filled with HCl solution that contains 0.0003856g HCl/g water. A current of 2 mA is passed for exactly 3 hours. the solutions are withdrawn, we
The atomic number of an element having the valency shell electronic configuration 4s 2 4p 6 is: (1) 35 (2) 36 (3) 37 (4) 38 Ans: 35
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what are the uses of sublimation under reduced pressure in chemistry
The Carnot cycle consists of four processes in succession: 1. isothermal compression from T L , V 1 to T L , V 2 2. adiabatic compression from T L , V 2 to T H , V 3 3
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