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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.
Explain in words why hydroboration leads to anti-Markovnikov addition of hydrogen whereas most electrophilic addtions to alkenes result in Markovnikov addition.
PHOSPHORUS, ARSENIC AND ANTIMONY The bigger elements in the same group (15) as nitrogen are usually known as 'pnictogens' and their compounds with metals as 'pnictides'. Althoug
Plz tell me the units of absorptivity if it has any units
Q. How to Determine Electron Affinity? Ans. Electron affinity is the measure of an atom's tendency to form a negative ion. Electron affinity can be measured by the amou
The ground state term symbol for an electronic state is governed by : (1) Heisenberg's principle (2) Hund's rule (3) Aufbau principle (4) Pauli exclusion principle
Consider a distillation column that separates benzene and toluene. 100 moles of an equimolar mixture is fed to the column. The overhead product from the column is fed to a total co
Suffix - IUPAC System of Naming Organic Compounds The word root is associated to the suffix that may be primary or secondary or both of them. (a) Primary suffix: A
Q. Write short notes on priming and foaming. Ans. Priming and foaming: When a boiler produces steam rapidly, some particles of the liquid water are carried along with the s
The lengths of the C-C bonds in isobutene The lengths of the C-C bonds in isobutene have no significance; two are longer merely to accommodate the rest of the structure. Rememb
For which of the following sets of four quantum numbers, an electron will have the highest energy: n l m s
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