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what are noble gases
basic structure
Analysis show that nickel oxide has formulla ni .98 O 1.00 what fraction of the of nickel exist as ni+3 & Ni +2 Ans) ni+2=95.91 and ni+3=4.09
The de-Broglie wavelength of a particle with mass 1gm and velocity 100m/ sec is: (1) 6.63 x 10 -53 m (2) 6.63 x 10 -34 m (3
how to select a parent chain
Number of electrons in -CONH 2 is: (1) 22 (2) 24 (3) 20 (4)28 Ans:24
The electronic configuration of calcium ion ( Ca2 + ) is: (1) 1s 1 , 2s 2, 2p 6 , 3s 2 , 3p 6 , 4s 2 (2) 1s 1 , 2s 2 , sp 6 , 3s 2 , 3p 6 , 4s 1
Q. Write short notes on priming and foaming. Ans. Priming and foaming: When a boiler produces steam rapidly, some particles of the liquid water are carried along with the s
whatdo you mean by gravitational force constant ?
Bromination of Toluene in presence of light or heat gives benzyl chloride, but chlorination of benzene in presence of light gives benzene hexachloride. Why?
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