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Classification of polymers
Classification lies on source of availability: They are categorized as
(a) Natural polymers
(b) Synthetic polymers
(c) Semi-synthetic polymers
Draw a two-dimensional model of a closed-packed assembly of spheres. Change this model into a three-dimensional one. How many dissimilar possibilities are there of stacking a)
The electronic configuration of four elements L,Q, P, and R are given in brackets: L ( 1s 2 , 2s 2 , 2p 4 ) Q (1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 5 ) P ( 1s 2 , 2s 2 2p
SIr Plzz do guide me that why only 7 groups of transition element are used for salt analysis ? Others are not used for salt analysis...mean other tranistion elements?
Streptomycin: It was discovered in the year 1944 by Waksman. Streptomycin is successful against tuberculosis. It is as well used for other general infections such as ears, thro
application of matlab in analytical chemistry
How is chemistry important in medicine & healthcare?
An element L has 9 protons and valency 1. Another element M has valency 3 and 5. What is the difference in the number of electrons in L and M ?
If 4.5 grams of Nitrogen reacted with 2.6 grams of Hydrogen, identify the following: Limiting Reactant- Excess Reactant- and Theoretical Yield:
Selecting and Numbering the principal chain Selecting the principal chain : choose the longest continuous chain of carbon atoms consisting of the principal functional
Q. Determine the wavelength of light wave? Ans. The frequency of an infrared wave is 2.07 x 10 14 Hz. What is the wavelength? c = λv Since we know the speed of light we
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