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Q. What do you mean by electro-magnetic radiation?
In the untimely twentieth century scientists accepted the idea that an atom consisted of a massive positively charged nucleus surrounded by negatively charged electrons. Additional explanation of the atom's electron arrangement came from research involving light and its interaction with matter.
Wave nature of light observable light is part of a range of electro-magnetic radiation a form of wave energy that travels through empty space and is propagated in the form of alternating electric and magnetic fields. Gamma rays, X rays and radio waves are other examples of electromagnetic radiation.
What r the requirements for a good refractory material
Q. Briefly explain about Diffusion of Gases? Ans. The following are some important points on the diffusion of gases: Gas molecules have an average kinetic energy
1.First find the maximum number of carbons chain.Give it to as a parent name. 2.Next find functional groups and give numbering.(Functional group must get minimum number) 3.Ne
If an ideal gas is kept inside a container with movable piston, and is allowed to expand ISOTHERMALLY, then pressure exerted by the gas on the container wall decreses. Why? What h
Lassaigne method This is employed to detect halogen, nitrogen and sulphur. Organic compounds are fused along with dry sodium in a fusion-tube and fused mass after extraction wi
On mixing acetone and chloroform, a reduction in total volume occurs. What kind of deviations from ideal behavior for solutions is given in this case and why?
examples of spd arrangement
Alkanes have single bond, but why are they less reactive as compared to alkenes or alkynes which have respectively double or triple bonds ? Alkanes have only single sigma bond w
The correct electronic configuration of Ti(Z= 22) atom is: (1) 1s 2 , 2s 2 , 2p 6 , 3p 6 , 4s 2 , 3d 2 , (2) 1s 2, 2s 2 , 2p 6 , 3p 6 , , 3d 4 , (3) 1s 2 , 2s
diagram
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