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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.
What are the limitations of second law of thermodynamics?
1st A group because the oxides and hydrides are alkaline in nature.
how many grams of salt must be added to 500 gram of water in preparation of 12% saline solution
a) If the sludge concentration in the return sludge line from the secondary clarifier were the similar as the MLVSS concentration, would recycle of return sludge enhances the sludg
LIMITATION OF THIRD LAW OF THERMODYNAMICS
Explain in detail about the Chemical vapaor deposition Chemical vapaor deposition (CVD) is a chemical process used to produce high-purity, high-performance solid materials. P
Styrene rubber (GR-S or Buna-S or SBR or Ameripol): Styrene butadiene rubber (SBR) is prepared by the copolymerization of butadiene (75%) and styrene (25%) in an emulsion styrene
what are the uses of sublimation under reduced pressure in chemistry
explanition
Binary phase diagrams of two component systems are usually Two dimensional plots of temperature and composition.
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