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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.
Why magnesium does not impart any colour to Bunsen flame while calcium does
Calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light: (1) 2.73 x 10- 24 (2) 2.42 x 10 -10 (3) 242.2x 10- 10
Define Product process problem in experimental design method In food product design, there are two different kinds of system problems - process and mixture problems - that shou
Two kg Ammonia (mA) at P A = 300 kPa and T A = -10ºC and 1 kg Ammonia (m B ) at P B = 300 kPa and T B = 100ºC are mixed in a constant pressure and adiabatic process. Find th
Natural rubber: Natural rubber is obtained by making small incisions on the bark of certain types of trees, like "Have a brasiliensis" and "Ganynle". White milky liquid substance
how to calculate equivalent weight of LMnO4
Atomic emission spectrometry: In atomic emission spectrometry (AES), a reproducible and representative amount of the sample is introduced into an atomization-excitation source
The p-block elements contain metals amd what?
when these are combined...what do they make? And what is it used for?
Why is zinc is not extracted from zinc oxide through reduction with CO? Solution) Reducing agent should have more negative ΔG value. In case of zinc oxide ,Zn has more negativ
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