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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.
homolytic fission
Isomerism - Organic Chemistry Organic substance comprising the same molecular reaction but differing from each other at least in some physical or chemical properties or both ar
Ionic compounds do not have: (1) Hard and brittle nature (2) High melting and boiling point (3) Directional properties (4) Soluble in polar solvents Ans: Direction
What is the rate of reaction at the optimum temperature? (the starting concentration of the protein was 2 mg/ml, the Extinction coefficient (e) of the chromogenic product is A515 =
Elimination reactions - Chemical Properties Alkyl Halides The positive charge on carbon is promulgated to the neighbouring carbon atoms through inductive effect. While moved to
WHY DENSITY OF POTASIUM IS LOW THAN SODIUM.
(i) Illutrate integrated rate law and derive it for first order reaction. (ii) Why coal does not burn by itself in air but once initiated by flame, it continues to burn?
The table below gives intrinsic viscosity values explained by viscometry and weight- average molar mass values explained under the similar conditions by static light scattering
Q. What is softening of water? Describe deionization method of water softening with diagram. Ans. Softening of water: The process of removing the hardness causing salts from
Imp reactions of p block
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