Chemistry
Dihaloalkane Isomerism
Dihaloalkane Isomerism: When dihaloalkanes are treated with excess of alcoholic KOH, alkynes are formed by the elimination of two molecules of halogen acids. Dihaloalkanes are…
Organic Chemistry
Chemistry
Isomerism of Haloalkanes
Isomerism of Haloalkanes: Haloalkanes are alkanes in which one or more of the hydrogen atoms has been replaced by a halogen atom. Haloalkanes show the…
Chemistry
Extraction of Zinc
Extraction of Zinc Zinc blende is concentrated by floath floatation process. The pulverized ore is kept in large tank containing water and pine oil. The…
Chemistry
Extraction of Titanium
Extraction of Titanium According to abundance in earth’s crust, it is in ninth position (0.6%). About 7-10% Titanium dioxide (TiO2) is found in the stone…
Chemistry
Extraction of Nickel
Extraction of Nickel Main ore is Pentlandite; Nickel is extracted from ores through the Mond procedure, in which nickel oxides are purified throughout several steps…
Chemistry
Why the Extraction of Copper from Chalcopyrite is so difficult?
About 3/4th of Copper (Cu) produced in the world has come from Chalcopyrite (CuFeS2), but it is the lowest standard ore of Copper. The method used…
Chemistry
Observe the Affect of Temperature on Solution
Task: To observe the affect of temperature on solution. Required accessories: One beaker, stirrer, tripod stand, wire-net, one balance, salt, water and spirit lamp. Procedure:…
Chemistry
Experiment: Make Saturated and Unsaturated Solutions
A saturated solution is that which is dissolved as much solute as it is capable of dissolving. By heating the solution a saturated solution can…
Chemistry
Experiment: Differentiate between Concentrated and Dilute Solutions
A liquid with a high solute concentration is called a concentrated solution. The dissolved salt from a well in the drinking water is a dilute…
Chemistry
Passivity of Iron
The passivity of Iron: When a piece of iron is kept for some time in conc. Nitric acid (HNO3), it loses its normal reactivity; it…
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