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Rayon - Semi Synthetic Polymers Rayon is a man made material which contains purified cellulose in the type of long fibres. Cellulose is reacted along with cold NaOH solution to
The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom: (1) He + (n= 2) (2) Li 2+ ( n= 2) (3) Li 2
The given amines are CH3NH2, (CH3)2NH,NH3,NH2Br. The amines list is from strongest base to weakest . (CH3)2NH CH3NH2.
Reactions of Benzene Nucleus - Nitration Phenol reacts along with dilute nitric acid at 5-10°C to form ortho and para nitro phenols, although the yield is meager because of oxi
Q. Explain about Smelting process? The roasted ore, which is generally an oxide, is strongly heated with a suitable reducing agent as result of which the metal is acquired in a
From the point of view of "green chemistry" - why should reactions be carried out in CO 2 instead of using carbon monoxide or phosgene (2 reasons)? Apart from the compression of c
why f block is out from periodic table
Analysis of oils and fats - Acid value It points out the amount of free acid present in the oil or fat. It is described as the number of milligrams of KOH needed to neutralize
why boron have maximum covalency 4 and others have maximum covalency 6
Atomic emission spectrometry: In atomic emission spectrometry (AES), a reproducible and representative amount of the sample is introduced into an atomization-excitation source
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