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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.
Describe Conformation energy profile -Ethane Conformation energy profile for ethane
Q. What is paired comparison test? In paired comparison test, the assessor is presented with two products and asked to indicate whether there is a preference between them.
what reactions take place
Why wet test not perform for some acid radicals ?
Number of two electron can have the same values of ...... quantum numbers: (1) One (2) Two (3) Three (4) Four Ans: Three
Reaction of 4 - bromobenzyl chloride with sodium cyanide in ethanol leads to?
how can you relate boyle''s law to atmospheric pressure?
chemical properties with reactions of alkali metals
How many moles of O2 are produced when 0.400 mol of KO2 reacts in this fashion? 4KO2+2CO2 ----> 2K2CO3+3O2
How do you know if a property is extensive or intensive?
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