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Q. What is law of definite proportions? A given compound is forever composed of the same elements in the same proportion by mass. This fact is recognized as the law of definit
preparations of hydroquinone
The charge on the atom containing 17 protons, 18 neutrons and 18 electrons is: (1) +1 (2) -2 (3) -1 (4)Zero Ans: -1
Correct configuration of Fe +3 [26] is: (1) 1s 2 , 2s 2 , 2p 6, 3s 2, 3p 6 , 3d5 (2) 1s 2 , 2s 2, sp 6 , 3s 2 , 3p 6 , 3d 3 , 4s 2 (3) 1s 2 , 2s 2 , 2p
History of periodic table
working of electrolysis process? components of electrolysis process? advantages and disadvantages of electrolysis process?
define and explain law of successive disintegration
advantages and dis advantages
Are Facial & Meridinal optical active?
Acetone - Aldehydes and Ketones It is a symmetrical or simple ketone and is the first member of the homologous sequence of ketones. In traces, it is exist in blood and urine.
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