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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.
The equation Δ x Δp ≥ h/ 4Π shows: (1) de-Broglie relation (2) Heisenberg's uncertainty principle (3) Aufbau principle (4) Hund's rule ans: Heisenberg'
How does crystallography help in study of crystal structure
A water solution contains 64% Na 2 S 2 O 2 together with 1.0% soluble impurity. Upon cooling to 5°C, Na 2 S 2 O 2 ·5H 2 O. crystallizes out. The solubility of this hydrate is 1.35
The standard free energy change for a reaction is -212.3 kJ mol -1 . If the enthalpy of the reaction is - 216.7 kJ mol -1 , calculate the entropy change for the reaction.
what is the pH of sodium hydroxide
why Px orbitol reside outside in bonding orbitol in elements have Z>7
fatty acid distribution in trihydric alcohol for triacylglycerol formation
Streptomycin: It was discovered in the year 1944 by Waksman. Streptomycin is successful against tuberculosis. It is as well used for other general infections such as ears, thro
Q. Briefly explain acid-base titration ? Ans. A valuable laboratory technique used by chemists is called an acid-base titration. A titration is a process in which the c
Why 2-methyl propanal gives canizzaro Rex.
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