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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.
principle of EDTA method
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Q. What do you know about Chemical Equilibrium Many chemical changes are reversible and will proceed towards an equilibrium instead of going to completion. The products react w
Q. Tests for sensory evaluation? Tests for sensory evaluation are of three types: • Difference testing - This is the sensory testing designed to determine whether detectabl
A house is air conditioned using solar energy. Solar radiation heats a pressurized tank such that the temperature is maintained at 175 o C. 1500 kJ must be extracted from the hou
stuck on a chemistry assignment i need a way to include the elctron configuration and chemical properties of copper into a oral that is also a sales pitch.
The second law states that where dS ≥ dQ/T for a reversible process and dS = dQ/T for an irreversible process. a. Show that since dW 12 = -dW 21 (dW reverse = -dW forwar
Electro refining of Copper • Electrolyte - Aqueous copper sulphate solution (acidified) • Cathode - Pure copper metal (thin rod) • Anode - Impure copper metal (thick block) • Disso
formation of polyfunctional compounds
net ionic equation for the reaction between aqueous solutions of perchloric acid and rubidium hydroxide
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