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Semi-synthetic polymers Rayon and other cellulose derivatives such as cellulose nitrate, cellulose acetate so on, are semi-synthetic polymers. These illustrated as thermoplasti
what is rayon?what are the things made of it?
Q. Explain about beta radiation? The second common kind of radiation is beta radiation which consists of high-energy electrons called beta particles (β -particles).
What is difference among silica used in TLC and HPLC column? Ans) TLC is known as thin layer chromatography. The simple methods works on the principle of adsorption, where as HP
why is it so confusing
Q. Illustrate important catalyst of aluminium? Anhydrous AlCl 3 is an important catalyst, used in organic synthesis and in the cracking of petroleum. Al 2 (S0 4 ) 3 as such o
Phenol + HNO3(in prescence of sulphuric acid) --> 2-nitrophenol + 4-nitrophenol.
What are trihydric alcohols? What are their preparation methods? What are their physical properties?
How many electron have br+ Neutral Br, being in Group 7A, has 7 valence electrons; therefore, Br+ has 6.
An element X with the electronic configuration 1s 2 , 2s 2 , 2p 6 , 3s 2 , would be expected to form the chloride with the formula: (1) XCl 3 (2) Xcl 2 (3) XCl
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