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Question
Azoic dyeing is a technique in which an insoluble ..................... compound dye is produced directly onto the fiber.
Azoic dyeing is a technique in which an insoluble ..................... compound dye is produced directly onto the fiber.
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Solution
The correct option is B azo
Azoic dyeing is a technique in which an insoluble Azo dye is produced directly onto or within the fiber. This is achieved by treating a fiber with both diazo and coupling components.
With suitable adjustment of dyebath conditions, the two components react
to produce the required insoluble azo dye. This technique of dyeing is unique, in that the final color is controlled by the choice of the diazoic and coupling components.
Hence option A is correct.
Azoic dyeing is a technique in which an insoluble Azo dye is produced directly onto or within the fiber. This is achieved by treating a fiber with both diazo and coupling components.
With suitable adjustment of dyebath conditions, the two components react
to produce the required insoluble azo dye. This technique of dyeing is unique, in that the final color is controlled by the choice of the diazoic and coupling components.
Hence option A is correct.
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