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Q. What is Calcinations process?
This is fie method of heating the concentrated ore in a limited supply of air to a high temperature but under the fusion temperature. In calcinations, volatile constituents of an ore are expelled. Hydrated and Hydroxide ores lose their water forming metal oxides. In case of carbonate ores, carbon dioxide is lost and metal oxides are made.
silicon carbide is prepared using the chemical reaction SiO2+3C producing SiC+2CO so how many grams of SiC can be produced from 15 grams of C
role of ammonium chloride and ammonium hydroxide in group third of basic radical?
#question50 ml of a mixture of NH3 and H2 was completely decomposed by sparking into nitrogen and hydrogen. 40 ml of Oxygen was then added and the mixture was sparked again. After
how many branches of chemistry?
What are total variables and degrees of freedom of a system of two components, when the number of phases is one, two, three etc.? Ans: For two - component systems, degree of
Q. Evaluation of milk samples? Milk is one of the most common articles of food throughout the world. It is regarded as a complete food. Why? Simply, because it contains protein
The uncertainty in the position of a moving bullet of mass 10 gm is 10 -5 m . Calculate the uncertainty in its velocity: (1) 5.2 x 10 -28 / sec (
drive phase rule
EDTA charge is 4.and it is react with many compound to form other compounds
Question 1: a. Describe in details the composting process. b. Odour is very often a big problem in composting facilities. Describe some odour avoidance and odour treatment
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