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Calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light:
(1) 2.73 x 10- 24
(2) 2.42 x 10-10
(3) 242.2x 10- 10
(4) None of these
ans: 2.42 x 10-10
Modern Meaning of Organic Chemistry Organic chemistry is a chemistry of hydrocarbons and their derivatives where covalently bonded carbon is a necessary constituent. Berzelius
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There are two conditionfor foramtion of anions a) High Electron affinity b) Small size Less charge of an atoms form anion more simply
17.4g CaCO3= mol O
Q. Write short note on units of hardness and their relationship. Sol. Units of hardness and their relationship. (1) Parts Per million (ppm): It is defined as t
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