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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.
mass of atom
OUTLINE AND EXPLAIN THE LIMITATIONS OF VBT
Experimental evidence for the existence of the atomic nucleus comes from: (1) Millikan's oil drop experiment (2) Atomic emission spectroscopy (3) The magnetic bending of
Gold has a molar mass of 197g/mol. How many atoms are in the sample?Please give me procedure also. Ans) molecular wieght of gold is 197 g 1mole/g of molecule is occupies the
The relevant group I elements are sodium and potassium, but all candidates should know the trend in reactivity, observations during reactions, trends in solubility and thermal stab
Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
Which monomers can undergo free radical, cationic as well as anionic polymerisation with equal ease? CH2=CH2
how a catalyst perform its work
diversity and magnitude of organic compound???
is vinegar has a pungent odor. is it chemical or physical property?
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