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When an electron jumps from L to K shell: (1) Energy is absorbed (2) Energy is released (3) Energy is sometimes absorbed and sometimes released (4) Energy is nei
The radius of the nucleus is related to the mass number A by : (1 )R= R 0 A 1/2 (2) R= R 0 A (3) R= R 0 A 2
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Q. Explain about Peroxoacids of Sulphur? There are two peroxoacids of sulphur, viz., peroxomonosulphuric acid, H 2 SO 5 , and peroxodisulphuric acid, H 2 S 2 O,. These acids ar
Q. Explain about Froth flotation process? Froth flotation process is the most important method for beneficiation of ores. This process has made possible the beneficiation of lo
2. Oxalic acid is a diprotic acid with the following deprotonation equilibria. A. You have 150 ml of a solution of pure oxalic acid with an unknown concentration.
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
Many ionic crystals dissolve in water because: (1) Water is an amphiprotic solvent (2)Water is a high boiling liquid (3) The process is accompanied by a positive heat of
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