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Potassium permanganate is prepared from pyrolusite (MnO 2 ) . Pyrolusite is fused with KOH in the presence of atmospheric oxygen or an oxidising agent like potassium nitrate or po
process of metellergy
The wall thickness can be minimized by insulation layer The wall thickness can be minimized by insulation layers. A typical wall having of a brick layer that has a thickness of
list of minerals with symbol
o.5oog of a sample which contains copper is analyzed iodometrically. Copper(II) is reduced to copper(I) by the iodide. What is the percent copper in the sample if 20.00cm3 of 0.1 m
can i have some reactions of p block elements such as in water,with oxygen,in acid etc...
Q. What are the uses of Tellurium? Tellurium is used primarily as an additive to steel to increase its ductility. It is also used as an additive to some catalysts, used in cra
can all the total heat content available betotally converted to work done?
what are the oxides and halides of d-block elements? mention them groupwise and comment on the stability of their oxidation state.
why YbS and YbI2 are semiconducting solids but LaS and LaI2 show metallic character..
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