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Q. Important applications of indium?
The most important applications of indium are in protection of bearings against wear and erosion in low melting alloys and in electronic devices. Thallous salts being toxic are used as fungicides germicides and in ointments used for the treatment of ring worms. Thallium compounds find applications in preparing optical glass on account of their high refractive power.
Geometrical or cis-trans isomerism The compounds that have similar molecular formula but differ in the relative spatial arrangement of atoms or groups in space are termed a
what will be presure if tempreture is -73?
Haber-Bosch Process Ammonia is one of the most significant intermediates. It is used, for example, for the production of fertilizers. Usually, ammonia is formed from hydrogen a
what is electrometer
Carboxylate salts Carboxylate salts are less reactive than esters in nucleophilic acyl substitution reactions for two reasons. First, resonance stabilization of carboxylate s
When the azimuthal quantum number has a value of l= l , the shape of the orbital is : (1) Unsymmetrical (2) Spherically symmetrical (3) Dumb-bell (4)Complicated Ans:
The orbital angular momentum of an electron in 2s -orbital is: (1) 1/2 h/ 2Π (2) h/ 2Π (3) √2 h/ 2 Π (4) Zero Ans
Explain about the Dielectric Breakdown Dielectric Breakdown of a dielectric material is because of the excitation of electrons into the conduction band across energy
write the different units of hardness with their relationship
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] =[(
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