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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.
Q. Explain: Vulcanization of rubber is necessary. Ans. Importance of vulcanization of rubber: 1. Vulcanization makes cross-links between the long unsaturat
Types of power sources - atomic emission spectrometry: Three types of power sources have been employed in argon plasma spectroscopy accordingly; there are three different kind
How much time a hydrogen electron will take when it goes from first orbit to second orbit?
0.22(6.022)(10^23)
why lithium and beryllium markedly differ from other members of their respective groups?
What is the packet of energy called: (1) Electron (2) Photon (3) Positron (4)Proton Ans: Photon
What does concentration exactly mean?
Mechanism of reduction (b)
Differentiate soft magnetic material from hard magnetic material in respect of hysteresis losses, eddy current losses and domain wall motion with appropriate examples and plots.
Convert cyclohexene to hexene diamide
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