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Q. What are the uses of Tellurium?
Tellurium is used primarily as an additive to steel to increase its ductility. It is also used as an additive to some catalysts, used in cracking of petroleum, as a colouring material for glasses and as an additive to lead to increase its strength and make it corrosion resistant. Polonium - 210 is used mainly for the production of neutron sources; for these, polonium is alloyed with elements such as beryllium.
characteristics of irreversible reaction
molecular chlorine and molecular fluorine combine to form a gaseous product.Under the same conditions of temperature and pressure it is found that one volume of Cl2 reacts with thr
Q. Describe the ion exchange process of softening hard water. What are its advantages? Ans. Determination of ion exchange or Deionization process: In this pro
For ns orbital, the magnetic quantum number has value: (1) 2 (2) 4 (3) - 1 (4) 0 Ans:0
A mylar novelty balloon is filled with 4.5 L of He at1 atm pressure and 23 degree Celcius temperature. It is then dipped into liquid nitrogen (77K) until the gas and balloon are a
Nitrenes - Organic Chemistry (1) The nitrogen analogous of carbenes are termed as nitrenes. (2) There is probability of two spin structure for nitrenes depending upon whethe
what is the order of solubility of alkali metal hydrides and halides
Why phenol can also be prepared from chlorobenzene(Dow''s process)
Q. What is Spontaneous processes? Ans. Spontaneous processes are events which occur without any assistance. When an object is held above the floor, it falls when released. Ic
Electron enters the sub-shell for which (n+l) value is minimum. This is enunciated as: (1) Hund's rule (2) Aufbau principle (3) Heisenberg uncertainty principle (4) P
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