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Q. Show the Liquation in purification of metals?
Crude tin, bismuth and lead are purified by liquation. In this process, the impure metal is placed at the top of a sloping hearth maintained at a temperature slightly above the melting point of the metal. The metal melts and flows down the inclined hearth into a well leaving at the back the solid impurities.
factors affecting TGA
why He and H cannot liqueified by linde''s method
inductive effect of -OH and -CHO group
How to find stability of carbocations in benzene ring..??? How to find optically inactive isomers ??? (say of--C2H5Cl) How to find the weakest C-X (carbon-halogen bond in a benz
Nylon (polyamides): S ynthetic fibre forming polyamides are also termed as Nylons. Therefore, Nylon is well known in the textiles. Nylons are those polymers which contains a repeat
Coordination no. is the no. assigned to an atom which tells us that how many other atoms are directly attached to it. eg. Pcl5 the cordination no. will be 5
Chemical in cosmetics The phrase cosmetics are taken from the Greek word Kosmetikos. The meaning of this is decorating. Beautifying or enhancing complexion of skin. In middle a
It is a phenomenon in which compounds have same moleculer formula but different structural formula due to which they posses different physical and chemical properties.
Q. Illustrate Activity Series for Metals? Ans. An activity series is a series that orders substances on the basis of their reactivity. The following diagram is the activit
Applications of photochemistry in day today life
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