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50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(
how H+ ions are formed
Q. Show the Colorimetric analysis? Colorimetric analysis depends on the variation of the colour with the change in concentration of the compound. Usually, absorption of light i
explain about law of chemical combinations in about 200 words?
Q. Write short notes on fabrication of rubber objects. Sol. Fabrication of Rubber: in the row condition rubber is composed of molecules of great length and molecular weight.
Which electronic configuration for oxygen is correct according to Hund's rule of multiplicity: (1) 1s 2 , 2s 2 , 2p 2 x , 2p 1 y , 2p 1 z (2) 1s 2
The shape of s -orbital is: (1) Pyramidal (2) Spherical (3)Tetrahedral (4)Dumb-bell shaped Ans: Spherical
How can we prove the stability of a space colony having a shape of truncated icosahedron? Solution) Because the shape has a sci-fi look to it and it would be very strong structur
how to assign r s configuration
Explain the Electrode reactions and the cell reaction? A cell diagram, with its designation of the left and right electrodes, allows us to write reaction equations for the cell
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