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In the transition of Zn atoms to Zn++ions there is a decrease in the:
(1) Number of valency electrons
(2) Atomic weight
(3) Atomic number
(4) Equivalent weight
Ans: Number of valency electrons
Nucleus - Nomenclature of simple aromatic compounds The benzene ring denoted by regular hexagon of six carbon atoms along with three double bonds in the alternate positions is
type of electrode?
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1.which of the following is f-block element /
Give one significant use of each of the following: (i) Bithional (ii) Chloramphenicol (iii) Streptomycin (iv) Paracetamol
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