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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.
Preparation of chemical reagents I. Purpose of the Experiment A reagent is any substance in a chemical reaction. Different reagents are used for laboratory experiments
We are asked to design a qualitative analysis scheme that can be used to determine which cations are present in a solution containing only four of the following cations: Pb2+, Ag+,
Hofmann Method - Determination of Molecular Mass The method is applied to those substances that are not stable at their boiling points, but that may be volatilised with no deco
Which of the following represents the correct sets of the four quantum numbers of a 4d electron: (1) 4,3,2,1/2 (2) 4, 2, 1, 0 (3) 4,3,-2+1/2
Acetone - Aldehydes and Ketones It is a symmetrical or simple ketone and is the first member of the homologous sequence of ketones. In traces, it is exist in blood and urine.
Explain and classify vitamins. Name the diseases caused because of lack of any three of them.
Q. Show Experimental observations of werners theory? Werner showed that his postulates are consistent with experimental observations. He made use of basically three kinds of ex
what is p block element
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Synthesis of glutaraldehyde
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