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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. What is trial and error method? Trial and error method is the simplest methodology in product development. Only one ingredient in the formulation is changed at a time and it
Energy of the electron in Hydrogen atom is given by: (1) E n = 131.38/ n 2 x kj mol -1 (2) E n = 131.33/n xkj mol -1 (3) E n = 1313.3/ n 2 x kj mol
Q. Llimitations of werners theory? There were inherent limitations with such a simple approach. For example, the following experimental facts cannot be explained on the basis o
The table below gives intrinsic viscosity values explained by viscometry and weight- average molar mass values explained under the similar conditions by static light scattering
Ask qwhy is 5-bromovanillin the major productuestion #Minimum 100 words accepted#
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Why wet test not perform for some acid radicals ?
A compound exists in 2 forms. One them produces 2moles of AgBr while the other produces 1mole of AgBr with AgNO3
limitation of lewis is include bond parameter
Water will not compress Fit a soda water bottle with a one-hole stopper. By the stopper place the glass tube from a medicine dropper, narrow end up. Fill the bottle to the top
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