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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.
Valence electron of pd Pd has ten valence electrons in the neutral atom. There are no charges and no X-type ligands in the complex; as, this is a d 10 complex.
Covalent compounds are generally ...... in water: (1) Soluble (2) Insoluble (3) Dissociated (4) Hydrolysed Ans:
what are the applications of coulumetry ?
THEORY OF MILLON TEST
when 100ml of M/10 H2S04 is mixed with 500ml of M/10 NaOH then nature of resulting solution and normality of excess of reactant left isum 100 words accepted#
defnition and example
Which of the following metal ions will have maximum number of unpaired electrons: (1) Fe +2 (2) Co +2 (3) Ni +2
observations?????..
Elimination reactions - Organic Reaction Elimination reactions are generally the opposite of addition reactions and include the removal of the two groups (usually, one being a
The nitrogen atom has 7 protons and 7 electrons, the nitride ion (N 3 -) will have: (1) 7 protons and 10 electrons (2) 4 protons and 7 electrons (3) 4 protons and 10 e
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