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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.
Difference between DNA and RNA DNA RNA DNA has a double helix structure. RNA comprises a single helix structure.
Which of the following compounds are covalent: (1) H 2 (2) CaO (3) KCL
Co-ordination covalent bond is produced by the mutual sharing of pair of electrons among two atoms contributed by only one of the combining atoms.
Q. Explain about Dihalide? Dihalides: Dichlorides and dibromides are formed by the lower members of the group, viz., Se, Te and Po. These are formed mainly by dissociation of t
What are the answers on these questions provided?
during the process of extraction of pure copper from copper pyrite,SiO2 acts as acidic flux which combines with iron oxide(FeO) to form iron silicate(FeSiO3). CuFeS2 + heat ---> Cu
An ionic compound is generally a : (1) Good electrolyte (2)Weak electrolyte (3) Non-electrolyte (4) Neutral Ans: Good electrolyte
how do you calculate the mass atomic number of an element?
Solid CH 4 is: (1) Molecular solid (2) Ionic solid (3) Pseudo solid (4) Does not exist Ans: Molecular solid
nomenclature of esters
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