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The molecule having one unpaired electron is:
(1) NO
(2) CO
(3) CN-
(4) Fe
Ans: NO
why standard enthalpy change of Br2(g) is not zero
Relationship between nucleon number,proton number and the number of neutrons.
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Number of unpaired electrons in 1s 2 2s 2 2p 3 is: (1) 2 (2) 0 (3) 3 (4) 1 Ans: 3
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The maximum number of electrons which each sub-shell can occupy is: (1) 2n 2 (2) 2n (3) 2 (2l+1) (4) (2l+1) Ans: 2
what is law of defenit propotion
Q. Name of the reagent required for determination of hardness of water sample of complex metric method. Briefly give the function of each reagent used. Ans. Reagents requir
How can you classify matter in a easy to remember way?
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