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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.
What is bayer''s sttains theory
Theory of Meta directing group The substituent, S takes electrons from para and ortho positions. So, m-position becomes a position of comparatively high electron density and fu
why phenol is acidic
1
Uses of Alkyl nitrites (1) Ethyl nitrite dialates the blood vessels and so accelerates pulse rate and lowers blood pressure thus it is utilized for a medicine for the treatment
The maximum number of electrons in p -orbital with n= s, m=1 is: (1) 6 (2) 2 (3) 14 (4) 10 Ans: 2
How much time a hydrogen electron will take when it goes from first orbit to second orbit?
How can you find the formula for a specific ion?
How many grams are in 4.5 moles of carbon?
Q. Describe about atomic number? It is significant to be able to obtain useful information from the periodic table. Beginning with the simplest element hydrogen the periodic ta
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