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Maximum number of electrons present in N shell is: (1) 18 (2) 32 (3) 2 (4) 8 Ans: 32
Chromium has the electronic configuration 4s 1 3d 5 rather than4s 2 , 3d 4 because: (1) 4s and 3d have the same energy (2) 4s has a higher energy than 3d (3)4s 1 is
Question: (a) Explain the precautions that should be taken by plant operators while handling chlorine gas used in disinfection of wastewater. (b) Show why disinfection of sl
who formulated the laws of chemical combination?
I don''t understand the concept of normality and gram equivalent
Calculations of Volumetric analysis The subsequent points should be kept in mind while making calculations of volumetric exercises. (i) 1g equivalent mass of a substance car
Q. Show Formula Mask synthesised by Wemer? In all the compounds with the formula Mask synthesised by Wemer, he could isolate only two isomers. This indicated that the structure
Covalent Bond Purely electrostatic attractions between ions are nondirectional, but with increasing covalent character the directional properties of valence orbitals become more
Why is ATP considered an endothermic reaction ?
Q. Show the basic stucture of Esters? Ans. Esters have the general formula RCOOR'. Both R and R' are alkyl groups. Esters have the ester functional group: Anima
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