Which among the following is used as reducing agent in Gold schmidt method?
Al
K
Cu
Mg
In Gold Schmidt method, oxides of certain metals are reracted with aluminum to yield aluminum oxide and the free metal. The process is used to produce metals such as chromium, manganese, and cobalt from oxide ores. So aluminium is used as a reducing agent. Eg
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5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K
A capacitor is made of two square plates each of side 'a' making a very small angle
A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d