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

Who proposed law of mass action, Laws of mass action were proposed by Gulbe...

Laws of mass action were proposed by Gulberg and Waage. The rate of chemical reaction is directly proportional to the product of the active masses of the reactants (molar concentra

Alkaloid, how can we prepare adernaline from cyclohexane

how can we prepare adernaline from cyclohexane

Purification of organic compounds., How will do project work on purificatio...

How will do project work on purification of organic compounds by crystalization and distillation from water and alcohol?

S block elements, how does solvation of alkali ions occur

how does solvation of alkali ions occur

IONISATION, #IONISATION ENERGY OF ELEMENTS..

#IONISATION ENERGY OF ELEMENTS..

Actinium and the actinides, ACTINIUM AND THE ACTINIDES Following actini...

ACTINIUM AND THE ACTINIDES Following actinium (group 3) are the 14 components of the actinide series (represented by the symbol An) combined with progressive filling of the 5

Benzoic acid, benzoic acid from benzene.i can''t see it clearly

benzoic acid from benzene.i can''t see it clearly

D block, mixture of sulphur carbon and kmno4 is named what

mixture of sulphur carbon and kmno4 is named what

How do we define the molecularity of a reaction, The number of species part...

The number of species participating in the slowest step of the reaction is known as molecularity of the reaction.

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