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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.
Why does calcium sulphate form scales in high pressure boilers
Number of unpaired electrons in the ground state of beryllium atom is: (1) 2 (2) 1 (3) 0 (4) All the above Ans: 0
A lab report on the criteria for determining the purity of organic compounds
What is water?
Anomalous behaviour of Beryllium
why all scandium salt are white
the nitride ion in lithium nitride is composed of 7 protons + 10 electrons. how?
zinc+copper(ll) chloride
what is cis-trans isomerisation?
Rutherford's experiment on scattering of particles showed for the first time that the atom has: (1) Electrons (2) Protons (3) Nucleus (4) Neutr
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