Dyes - chemistry in action, Chemistry

Assignment Help:

Dyes

Dye is a synthetic and natural colouring matter that is employed in solution to stain materials particularly fabrics. All the coloured substances are not dyes. A coloured substance is known as a dye if it fulfills the subsequent conditions,

1. It should have an appropriate colour.

2. It may be lasting on the fabric either directly or with the help of mordant.

3. while fixed it must be fast to light and washing, that is it has to be resistant to the action of acids, water and alkalies, majorly to alkalies as washing soda and soap have alkaline nature.


Related Discussions:- Dyes - chemistry in action

Quantum mechanical model of the atom, The frequency of strong yellow light ...

The frequency of strong yellow light in the spectrum of sodium is 5.09•10*14s calculated the wavelength of light

Explain stereochemistry, Explain stereochemistry a) The stereochemistry...

Explain stereochemistry a) The stereochemistry is E. The Br has higher priority on one carbon stereocenter, but it has lower priority on the other. b) The stereochemistry is

#title.organic, how can be synthesise active methylene group contining comp...

how can be synthesise active methylene group contining compound

Organic, Write essey on organic quantitative analysis

Write essey on organic quantitative analysis

Dihydric alcohols, prepration,reactions ,uses and reactivity of dihydric a...

prepration,reactions ,uses and reactivity of dihydric alcohols

Please help, How many grams are in 4.5 moles of carbon?

How many grams are in 4.5 moles of carbon?

Electrolysis of water, Electrolysis of Water without Indicator • Assembl...

Electrolysis of Water without Indicator • Assemble the power supply for electrolysis. Attach alligator clips to the separate poles of the battery. Make sure that the wires from

The energy of a photon is calculated, The energy of a photon is calculated ...

The energy of a photon is calculated by: (1) E= hv (2) h= Ev (3) h = E/v (4) E= h/v Ans: E= hv

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