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Q. Explain about Pyrometallurgy?
Tri pyrometallurgy, the concentrated ore is heated up to a high temperature and reduction is done with a appropriate reducing agent. The different, steps involved in pyrometallurgy are calcinations, smelting and roasting. The concentrated ore is convened into the metal oxide, roasting and calcinations, if it does not already exist as an oxide. This is due to other metal compounds like sulphides, carbonates; sulphates, etc. are difficult to reduce. In the end, the metal oxide is reduced to metal by smelting.
Q. Explain scale formation and sludge formation in boilers. How are they formed? Ans Boilers are used for steam generation. When hard water is evaporated, progressively
formula of calcium oxide
Chemical Properties of Ethers Ethers are fairly stable compounds. These are not simply reacted along with alkalies, dilute mineral acids, active metals, oxidising agents within
The expression for Bohr's radius of an atom is: (1) r= n 2 h 2 / 4 Π 2 me 4 z 2 (2) r= n 2 h 2 / 4 Π me 2 z 2 (3) r= n2h2/4 Π me 3
what are the chemical properties of protium, deuterium and tritium.
what is definaion of leveling effect
Composition of Nucleic acids Nucleic acids such as proteins and carbohydrates are polymer. The simple units which make up the nucleic acid are known as nucleotides. Nucleotides
why L-glucose not used in lab
which compound has sharp, unpleasant and pungent smell?
A hydrocarbon is burnt completely in excess oxygen.it is found that 5.0g of the hydrocarbon gives 14.6g carbon dioxide and 9.0g of water.knowing that relative molecular mass of the
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