Discussion
Which dye is used in Kerosene ?
Answer: A
The dye is a dialkyl amino anthraquinone dye.
Subsidised kerosene supplied through the public distribution system is coloured blue so that its diversion, for example to adulterate diesel or petrol, can be detected. The blue colouring used for petroleum products is a dialkylamino anthraquinone dye, an oil-soluble anthraquinone dye that gives a stable blue colour.
Phenyl azo 2-naphthol (Sudan I) is an orange-red azo dye, methylene blue is a water-soluble dye that does not dissolve in kerosene, and 'green dye' names no particular compound.
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