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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 are the compounds having at least single chiral centre (asymmetric carbon atom)? Draw their structural formulae (line-bond structures) with all chiral centres marked by an ast
Fe3+ + e ------> Fe2+
Electrophilic Addition Reactions (A) Such types of reactions are generally provided by alkynes and alkenes. (B) Electrophilic addition reactions of alkynes and alkenes are m
Ingrain dyes (developed dyes) - Ingrain dyes are those that are synthesised straight on the fabric. Instances of this type of dyes are azo dyes. In this the fabric is wrapped up
what is the definition of migration current?
why sodium react with water form a fair
Benzaldehyde - Aldehydes and Ketones Benzaldehyde is simple aromatic aldehyde. It occurs in bitter almonds in the type of its glucoside, amygdalin (C 20 H 27 O 11 N). While amy
Defination of dry test for basic radicle
what is radiometric titration
Why does p-methoxybenzyl bromide reacts with ethanol faster than p-nitrobenzylbromide Solution) Because o-ch 3 is electron donating group while NO 2 is a electron withdrawing g
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