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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 hear
how is ores extracted and the down stream process and its principles?
how a catalyst perform its work
what are grignard reagants ? how are tthey prepared is laboratory ? what makes them so important in synthetic chemistry?
isomophosis
Q. a. What is the origin of fossil fuels? b. List three fossil fuels. c. Are fossil fuels a renewable resource? Answer: a. Coal, natural gas and oil. b. Fossil fue
what is electronic displacements?
Q. What are boiler troubles? Discuss their consequences? Sol. Boiler feed water (water for steam making): water is very important engineering material which is mainly used fo
how ti find numbeer of neutrons in dipositive zinc ion with mass number 70?
Lassaigne method This is employed to detect halogen, nitrogen and sulphur. Organic compounds are fused along with dry sodium in a fusion-tube and fused mass after extraction wi
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