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what are the principle underlying the extraction of metals
Number of protons, neutrons and electrons in the element 231/89 y is: (1) 89, 231, 89 (2) 89, 89, 242 (3) 89, 142, 89 (4) 89, 71, 89 Ans: 89, 142, 89
give best example of ammalgam eletrod
cataylast
A moving particle may have wave motion, if: (1) Its mass is very high (2) Its velocity is negligible (3) Its mass is negligible (4) Its mass is very high and velocity
What is meant by the term Valence
#mechanism of base catalyzed addition for acetal formation
A completely filled d -orbital ( d 10 ): (1) Spherically symmetrical (2) Has octahedral symmetry (3) Has tetrahedral symmetry (4) Depends on the atom Ans: Spherical
Q. What is Geometrical isomers? Let us take one final example of Ma 2 b 2 cd where the following five isomers are possible as shown in Fig. 'When writing the geometrica
Yes, the basic character decreases due to resonace. This is because resonance is strongly linked to conjugation and hyperconjugation. Due to the pi-lp conjugation, the electon dens
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