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For liquids - Drying of Organic Substances
Organic liquids are usually dried by keeping them over night in contact along with a dehydrating (desiccating) agent that does not react chemically with the liquid to be dried. Commonly employed dehydrating agents are quick lime, anhydrous CaCl2, fused CuSO4 or CaSO4.KOH, potassium or metallic sodium, and so on.
Equilibrium constants A complex in general is any species build by specific association of molecules or ions by donor-acceptor interactions. In aqueous solutions the most import
a metal forms 2 oxides. the higher oxide has 80% metal. 0.72g of lower oxide gave 0.8g of higher oxide when oxidised. show that law of multiple proportion is valid?
PHOTO CHEMICAL COMBINATION OF HYDROGEN&IODINE
A single-effect evaporator is used to concentrate 60000 kg h-1 of a 40 wt % NaOH solution which is fed to the evaporator at 40°C. The concentrated liquid is a 55 wt % NaOH solut
catalyst used in polymerization
explain how adsorption as a method of water treatment
chemistry of f block elements
Methylated spirits burner A easy burner can be made from an old boot polish tin. Though it is not necessary, a metal tube can be soldered to the top and a twisted piece of wire
In solid state chemistry the CN 2 2- ion shows constitutional isomerism. The free acids of both anions (at least in the gas phase) are known. Illustrate the structural formul
proeprties of glucose
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