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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
Why do zinc hydroxide, aluminium hydroxide and lead (II) hydroxide dissolve in excess aqueous sodium hydroxide?
Soda lime test - Nitrogen A pinch of an organic compound is heated strongly along with soda lime (NaOH + CaO) in a test tube. If ammonia gas acts, it depicts nitrogen.
Which one pair of atoms or ions will have same configuration: (1) F + ans Ne (2) Li + He - (3) C l - and Ar (4) Na and K Ans: Cl - an
i wnted a project on the topic law of chemical combinations which will include intro, theory nd sm pics. ....... plz. i need it by 14th of june plz. help me out
Explain objectives of annealing? Discuss the various annealing processes? Is spheroidising different from annealing? Illustrate. A slow cooling rate from eutectoid tempe
dicarboylic acids fully
algae
Calculate the theoretical voltage of the following galvanic cell: Ni|10^-3 mol/l Ni(NO3)2 || 1 mol/l AgNO3|Ag. Write the equations for the half reactions of this cell.
How many gaseous elements are there in the s block of modern periodic table? What are they??
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