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Q. What is Calcinations process?
This is fie method of heating the concentrated ore in a limited supply of air to a high temperature but under the fusion temperature. In calcinations, volatile constituents of an ore are expelled. Hydrated and Hydroxide ores lose their water forming metal oxides. In case of carbonate ores, carbon dioxide is lost and metal oxides are made.
Laminated glass: Sheets of glass fibre fabric or glass wool are soaked in a solution of a thermosetting plastic and placed one above other, the thickness varies with number of she
Applications of photochemistry in day today life
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the density of 2 molal aqueous solution of NaOH is 1.10g/L. Calculate the molarity of the solution.
If you were to combine 120.0 mL of 0.100 M HCL with 3.25 grams of calcium metal, how many grams of hydrogen gas would you make?
The energy required to dislodge electron from excited isolated H-atom, IE 1 = 13.6 eV is: (1) = 13.6eV (2) > 13.6eV (3) 3.4 eV
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