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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.
A 4.00-g sample of iodine was reacted completely with excess bromine. The mass of the compound formed was 11.56-g. Determine the empirical formula.
Physical methods for Non-volatile substances The non-volatile organic compound's molecular mass can be ascertained by noting either the elevation in boiling point of the solve
Binary phase diagrams of two component systems are usually Two dimensional plots of temperature and composition.
Properties of Styrene Styrene is a colourless liquid, boiling point 145°C. On keeping, it slowly changes into a solid polymer known as meta styrene. The polymerisation is fast
tell me the berzelius hyphothesis in hindi
which compounds will dissolve in alkaline solution after it has undergone reaction with hinsberg reagent
Charactaristics of elements of group
Strengths of Phenols - Hydrocarbon The comparative strengths of some phenols (as acids) are like this: p-Nitrophenol > o-Nitrophenol > m- Nitrophenol > Phenol Presence of
If n+l= 6 , then total possible number of subshells would be: (1) 3 (2) 4 (3) 2 (4) 5 Ans: 3
A 10L helium balloon at a pressure of two bar at 27C. Some O 2 is now inside in balloon and final volume is made 30L. the pressure also fell to 1 bar at similar temperature. the p
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