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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.
A hydrocarbon z with molecular mass 78 on combustion gave 3.384g of carbon (IV) oxide and 0.693g of water. Determine the molecular formula of Z and draw its structure. [H=1, C=12,
I have a question on hydrophobicity. I have a product called Neverwet that creates a hydrophobic surface on stuff. There''s a base and top spray. The top spray thats mainly acetone
aavart sarini ke liye koi trick hai kya?
As electron moves away from the nucleus, its potential energy: (1) Increases (2) Decreases (3) Remains constant (4) None of these Ans: Increases
The diffraction of x-ray by a crystal gives 1st order ref at 14•12'' if lattice dist is 3.14 A• wht is the wavelength of x-ray
two containers are connected by a stopcock. gas A is at pressure 202kpa while gas B is at pressure 140kpa, what will be the resultant pressure when the stopcock is opened
the order of stability of carbocations and carbanions For carbocation 3 degree > 2 degree > 1 degree for carbanion 1 degree > 2 degree > 3 degree
Anomalous behaviour of Beryllium
NaCl
Difference between Oils and Fats Oils and fats belong to similar chemical group, although they are different in their physical state. (i) Oils are liquids at normal temperat
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