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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.
Sources of aliphatic hydrocarbon Mineral or crude oil, petroleum is the dark colour oily liquid along with offensive odour found at several depths in many regions below the sur
what is the name of the precipitate and the formulae of the precipitate of NH3 (aq) and Pb(NO3)2 (aq)
Q. Consider a system containing only NH 4 Cl(s), NH 3 (g), and HCl(g). Assume that the equilibrium NH 4 Cl(s) ⇔ NH 3 (g), and HCl(g) exists. (a) Suppose you prepare the system b
5 points on nickel plating
Measure the thermodynamic properties (reaction enthalpy, entropy, and Gibbs energy) for this reaction under standard conditions. Is the reaction exothermic or endothermic? Is i
Predict the regiochemistry and stereochemistry of the following cycloaddition reactions and indicate the basis for your prediction.
curd formation in soya milk
Resonance effect - Effect of substituents on acidity Same as inductive effect, if the resonance producing group exerts minus effect that is, if it withdraws electrons, it raise
What are photochemical reactions? Explain the mechanism of the photo- chemical reaction occurring among hydrogen and chlorine gas.
what is the principal of radiometric titration
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