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what are the principle underlying the extraction of metals
When sodium and chlorine reacts then: (1) Energy is released and ionic bond is formed (2) Energy is released and a covalent bond is formed (3) Energy is absorbed and ioni
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It can be because these group tend to decrease the electron density when attached to a benzene or other ring structure preferentially at ortho and pera position.
Q. Physical Properties of group16? Similar to the groups discussed earlier. The metallic character in Group 16, increases with increasing atomic number. Oxygen and sulphur are
why they have low electronegativity?
how do you prepare 100mM pH 7.4 of Potassium phospate buffer
A compound exists in 2 forms. One them produces 2moles of AgBr while the other produces 1mole of AgBr with AgNO3
If wavelength of photon is 2.2x10 -11 m, h= 6.6x 10 -34 J-sec, then momentum of photon is: (1) 3x 10 -23 kgms -1 (2) 3.33x 10 22 kgms -1 (3) 1.452x 10-
Reduction of Alkyne: Alkynes add on hydrogen in existence of appropriate catalysts like finely divided Ni, Pd. Determine if the triple bond is not found at the end of t
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