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Q. What is the use of Gallium?
Gallium is mainly used in semiconductor technology. It is used for doping other semiconductor and in solid state devices such as transistors.
Compounds of Ga with P and As; such as, Gap and Ga As have semiconductor properties similar to those of elemental Si and Ge. These are used as light emitting diodes (LEDs) familiar in pocket calculators, wrist watches, etc. They are also used in infrared emitting diodes, infrared detectors, photo cathodes and photomultiplier tubes.
In neutral atom, which particles are equivalent: (1) P + e + (2 ) e - e + (3) e -, P + (
The ground state term symbol for an electronic state is governed by : (1) Heisenberg's principle (2) Hund's rule (3) Aufbau principle (4) Pauli exclusion principle
how do we estimate nicotine in tobacco qualitatively in lab by simple chemical test?
Microcosmic Salt Bead Test Microcosmic salt, Na(NH 4 )HPO 4 .4H 2 O is as well used to identify specific cations just as borax. While microcosmic salt is burned in a loop of pl
Schiff's reaction and Tischenko reaction (a) Schiff's reaction: this reaction restores pink colour to Schiff's reagent (aqueous solution of p-rosaniline hydrochloride decolouri
General Tests on Benzoic Acid (a) It dissolves in hot water but separates out in the form of white shining flakes on cooling. (b) Benzoic Acid evolves CO 2 with sodium bica
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Q. Bridging group in nomenclature compounds? A bridging group is indicated by putting the Greek letter 'p' immediately before its name and separated by hyphens from other ligan
Q. Why we need Sulfuring? Sulfuring is the process which is used to destroy microorganisms and to preserve colour. Fruits after blanching may be dipped into a sulphite solution
x(2x^-1/4)^4
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