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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 steps should be taken to minimize the risk of spoilage and wastage of the harvested produce during packing and transportation? What factors need to be considered while t
what are the chemical poperties of p-block elements ?
Find Relation between Solute Standard State and Henry's Law? For a solution process in which species B is transferred from a gas phase to a liquid solution, find the relation b
what is the cycle of caban dioxide and how it flow
Q. Describe the manufacturing process of glass. Ans. Manufacturing process of glass 1. Melting: Raw materials, in proper properties mixed with pellets, are finally po
Methane - Members of Alkanes It is also termed as marsh gas. (i) Industrial method of preparation: Mathane gas is acquired on a large scale from natural gas by liquefactio
The number of orbitals in the fourth principal quantum number will be: (1) 4 (2) 8 (3) 12 (4) 16 Ans: 16
Be's 4th electron will have four quantum numbers: n l m s (1) 1 0 0 +1/2 (2) 1 1 +1 +1/2
Dicarboxylic acids The acids consisting of two carboxylic groups are known as dicarboxylic acids. The saturated dicarboxylic acid are denoted by the general formula 2n (COOH
A Galvanic cell or voltaic cell or electrochemical cell is a system in which a spontaneous chemical oxidation- reduction happens and makes electrical energy.
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