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Which of the following compounds are covalent:
(1) H2
(2) CaO
(3) KCL
(4) Na2S
Ans: H2
Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.
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what is radiometric titration
how does chemical bonding takes place?
capillarity
why didnt all the noble metals get rust even they have high electrode potentials? Ans) for e.g if you look at gold it is highly reactive with greater negativity of gibbs free ener
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