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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.
Silver salt method for acids - Chemical methods It is based upon the fact that silver salt of an organic acid on heating provides residue of metallic silver.
how to determine the percentage of association or dissociation in a solution?
Complex: A very general definition of complex is, 'A compound that results from the combination of a central atom or ion and a group of atoms/ions/molecules surrounding it'. As
what are the disadvantges of donnan membrane
#notes
What is calgon n phosphate conditioning n which one is better?
decomposition of carbonates
The energy of an electron of 2py orbital is: (1) Greater than that of 2p x orbital (2) Less than that of 2p x orbital (3) Equal to that of 2s orbital (4) Same a
..a simple set of diagrams to demonstrate dna replication at the biochemical level
The chemical formula for pure water is H 2 O. Pure water breaks up into an equal number of H + (aq) and OH - (aq) ions. As the amounts of the H + and OH - ions are equal, water i
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