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Q. What is Diborane? The chemistry of diborane has aroused considerable interest because of its usefulness in many synthetic reactions and also because the elucidation of its s
A number of ionic compounds e.g.Agcl , caF 2 BaSo 4 are insoluble in water. This is because: (1) Ionic compounds do not dissolve in water (2) Water has a high dielectri
uses of DDT, Saccharin, BHC and Chloramine
Q. in radioactive decay, a nucleus emits an alpha particle and two beta particle successively. show that the final nucleus is an isotope of original nucleus. Ans: Let the mass and
what is isomer
Tert-butylamine Tert-butylamine cannot be prepared by the Gabriel synthesis because it would require that the nitrogen of phthalimide be alkylated with tert-butyl bromide in an
Explain the process of Grading and Sieving Grading: Grading consists of separating the sound kernels from chaff and impurities,and may be achieved by sieving or winnowing.
When an electron revolves in a stationary orbit then: (1) It absorbs energy (2) It emits radiation (3) Its energy remains constant (4 )It gains kinetic energy Ans:
Bakelite: It is thermosetting plastics which are most widely used and the most important plastics. Preparation: It is formed by condensation reaction of phenol an
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