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How many unpaired electrons are present in Ni2+ cation (atomic number = 28):
(1) 0
(2) 2
(3) 4
(4) 6
Ans: 2
What is bonding
React Benzil with 60% NaOH
Metals: Iron : 1. Most automobiles, machine tools, building parts, the hulls of large ships, and machine parts are made out of iron. (Iron metal is strong but is quite
Is liquid ammonia is solvent?
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Explain classification of arches according to shapes raw a neat sketch of Flemish bond (1 brick wall and 1.5 brick wall thickness ).
Electro refining of Copper Electrolyte - Aqueous copper sulphate solution (acidified) Cathode - Pure copper metal (thin rod) Anode - Impure copper metal (thick block
Low grade oxide, sulphide and carbonate ores of copper are treated with dilute sulphuric acid in the existence of oxygen: CuO+ H 2 SO 4 ------------------> CuSO 4 + H 2 O CuC
It is a part of chemistry which deals with the organic compounds formed by carbon , hydrogen ,oxygen.
what is mesomeric effect ,types ,applications
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