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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. Show the Colour of actinides and lanthanides Ions? Ions of actinides and lanthanides are coloured in the solid state as well as in aqueous solution, as is the case with the
In nitromethane N-O bondlength is 1.21A° while normal N-O bondlength is 1.36 A° and for N=O it is 1.18A°..Explain why
The atomic number of an element is 35. What is the total number of electrons present in all the p-orbitals of the ground state atom of that element: (1) 6 (2) 11
discuss secondary structure of pritien
Preparation of saturated calomel electrode and determination of standard potentials of electrodes such as Cu 1 Cu, Zn 1 Zn, etc. Comparison of the potential values with values from
WHAT IS THE EQUIVALENT WEIGHT OF Mg(HCO3)2
Explain heat of Combustion? Ans) The amount of heat liberated when single mole of any substance is completely burnt in oxygen is known as heat of combustion H is negative for he
Classification of polymers - Linear polymers These are polymers where monomeric units are linked together to form linear sequential chain. These linear sequential polymers are
Mole definition
WHAT IS THE INITIAL CONCENTRATION
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