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If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be: (1) Zero (2) (3) > h/ 2γ (4) Infinite
Q. Illustrate important catalyst of aluminium? Anhydrous AlCl 3 is an important catalyst, used in organic synthesis and in the cracking of petroleum. Al 2 (S0 4 ) 3 as such o
Denaturation The structure of the natural proteins is accountable for their biological activity. These structures are arranged by numerous attractive forces among different par
why YbS and YbI2 are semiconducting solids but LaS and LaI2 show metallic character..
Q. Determine Equilibrium Constants for Acid and base? Ans. The pH scale of acidity is a simple and convenient way to state the acidity of a solution. The
Q. Explain Collision Theory? Ans. Why do some reactions take place faster than others? What actually happens in a chemical reaction? Consider a gaseous reaction of the typ
formula of acetic acid
a sample of CaCo3 and MgCo3 weighing 192g is ignited to constanr weight of 104 gm . what is the composition of mixture ?
An element has electronic configuration 2, 8, 18, 1. If its atomic weight is 63, then how many neutrons will be present in its nucleus: (1) 30 (2) 32 (3) 34
how many number of electrons are possible in the valence shell of metals
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