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Classification of dyes according to their application
Direct dyes:
this type of dyes can be directly applied to the fiber, both vegetable and animal, by dipping in hot aqueous solution of the dye. This type of dyes is most significant for those fabrics that can form hydrogen bonds, that is for rayon, wool, silk, cotton and nylon. Congo and Martius yellow red work as direct dyes. Instances are: Martius yellow, congo red.
Reactions that are classified as oxidation-reduction (redox) reactions all have the common trait that electrons leave one component (that is, getting oxidized) to be taken up by an
proton neutron hypothesis
Caesiurn chloride crystallises as a body centred cubic lattice and has a density of 4.0 g cm -3 . Calculate the length of the edge of the unit cell of caesium chloride crystal.
Why bromoethane are insoluble Because only two layers form, two of the three substances are mutually soluble. we know that water and bromoethane are insoluble-they form two lay
I don''t understand the concept of normality and gram equivalent
What is the upac name of CH-CH-CH-OH
Q. Limitations of Hybrid orbitals? It gives no idea whether a particular metal ion would prefer to have any particular geometry say, an octahedral or tetrahedral with a giv
similarities between the latter actinides and latter lanthanides
feature of s, p, d,f block in periodic table
Hofmann elimination, also called as Exhaustive methylation, is a process where an amine is reacted to create a tertiary amine and an alkene by treatment with excess methyl iodide f
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