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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.
Enthalpy, H, is defined by the relationship H=U+pV. The enthalpy change, ΔH, for finite changes at constant pressure is given by the expression ΔH = ΔU+pΔV, so making the enthalpy
Q. Complexation Behaviour of Group 13? As compared to the elements of Groups 1 and 2, elements of Group 13 show a greater tendency of complex formation. Because of lack of d-or
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Calculate the mass of sodium chloride: Problem: Let us calculate the mass of sodium chloride in a solution containing 24 Na (half-life, 15 h) whose activity is 5.7 mCi
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Types of substitution reactions According to the type of the nature of attacking species substitution reactions are categorized into following three categories, (A) Nucleoph
A 15 m 3 tank contains steam at 10 bar and 300 o C. The system is then cooled until the temperature reaches 150 o C . Some of the steam condenses. a) How much heat was transf
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