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Ingrain dyes (developed dyes) -
Ingrain dyes are those that are synthesised straight on the fabric. Instances of this type of dyes are azo dyes. In this the fabric is wrapped up in the solution of coupling reagent commonly a phenol or naphthol. After that it is dished in the solution of appropriate diazonium salt. Both react to make the dye whose molecules are adsorbed on the surface of fabric. The ingrain dyeing is chiefly appropriate for cotton fabrics.
process of metellergy
Q. What are ion selective membranes used in electro dialysis of brackish water. Give examples. Ans. Electro dialysis for brackish water: The ion selective membranes are use
Deodorants: Just as the name suggests, deodorants are applied basically to mask the body odour. The body odour provides from the bacterial action subsequent perspiration. Hence
basic principle of electrogravimetry
Why 2-methyl propanal gives canizzaro Rex.
energy order of octahedral, tetrahdral, squareplaner.
What is Tube extrusion Billet is placed inside a container between die and mandel. Mandel is pressed by ram and metal is extruded through the die. This process is used for m
Nomenclature of special compounds Unbranched assemblies that involve two or more identical hydrocarbon units joined via a single bond are named by placing a appropriate numeri
Q. Explain Basic physical properties of Gas? Ans. Gases are the least dense phase of matter. Gases can be easily expanded or compressed. They exert pressure equally in
Trace and ultratrace analysis: The accuracy, precision and detection limits of flame AAS depend on how the analyte sample is introduced into the atomiser. We need to transfer
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