Classification of dyes - direct dyes, Chemistry

Assignment Help:

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.


Related Discussions:- Classification of dyes - direct dyes

Explain the use radioactive nuclides, Q. Explain the use Radioactive Nuclid...

Q. Explain the use Radioactive Nuclides? Ans. Radioactive elements are easily found because they emit radiation. They can be used as tracers to show what is happening in

Electron configurations and orbital diagrams, Q. Describe Electron Configur...

Q. Describe Electron Configurations and Orbital Diagrams? Ans. Remember that the atomic number of an atom tells us the number of protons and electrons in the neutral atom. To a

Test of proteins - biuret test, Test of proteins - Biuret test (i) Biur...

Test of proteins - Biuret test (i) Biuret test : By adding a dilute solution of copper sulphate to alkaline solution of protein, a violet colour is made. This test is because o

Acetic anhydride, physical properties of acetic anhydride

physical properties of acetic anhydride

Describe the foaming properties, Q. Describe the foaming properties? Fo...

Q. Describe the foaming properties? Foods like meringue, ice cream and beer contain foams. A number of foods possess good foaming properties on account of the proteins they con

Describe about atomic number, Q. Describe about atomic number? It is si...

Q. Describe about atomic number? It is significant to be able to obtain useful information from the periodic table. Beginning with the simplest element hydrogen the periodic ta

Problem, The diffraction of x-ray by a crystal gives 1st order ref at 14•12...

The diffraction of x-ray by a crystal gives 1st order ref at 14•12'' if lattice dist is 3.14 A• wht is the wavelength of x-ray

space b/w a proton and electron in h atom, Between a proton and electron i...

Between a proton and electron in a hydrogen atom = 3.16 x 10 47 A 0

Given free energy, Br2(g)=2Br(g) dG=161.69KJ/mol at 298.15K Find kc and kp....

Br2(g)=2Br(g) dG=161.69KJ/mol at 298.15K Find kc and kp.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd