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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.
How do i figure out number of protons available for reaction with OH- in a oxalic acid+NaOH reaction?
#notes
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Which of the following has the least energy: (1) 2p (2) 3p (3) 2s (4) 4d Ans: 2s
a. 'Hormones are chemical messengers.' Explain? b. Name the main disease caused due to lack of the vitamin and its source in each of the following: A, B 6 and E.
why the hydrogen gases are used platinium plate in she
lithium and beryllium markedly differ from other members of their respective groups.
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