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An electron has principal quantum number 3. The number of its (i) sub-shells and (ii) orbitals would be respectively:
(1) 3 and 5
(2) 3 and 7
(3) 3 and 9
(4) 2 and 5
Ans :3 and 9
To increase the pressure so that boiling point of water increases and heat provided goes only for cooking food not for boiling water
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if the eluting solvent was chnaged would Rf value for each metal ion will chang
Write an equation that shows the formation of the selenide ion from a neutral selenium atom
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instrumentation and applications of radiometric titration
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