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Which of the following contains amino group
Options
(a) Basic dyes
(b) Acid dyes
(c) Vat dyes
(d) Mordant dyes
Correct Answer:
Basic dyes
Explanation:
These dye are basic due to the presence of -NH₂ group. These are the salts of colour bases with HCl or ZnCl₂. These can dye animal fibres directly and vegetable fibres after these have been mordanted with tannin.
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Topics: Chemistry in Everyday Life
(71)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- One mole of a gas absorbs 300 J of heat at constant volume and its temperature
- An organic compound contains 49.3% carbon,6.84% hydrogen and its vapour density
- The first ionization potentials (eV) of Be and B respectively are
- The element, with atomic number 118, will be
- In which process,fused sodium hydroxide is eletrolysed at a 330⁰C temperature
Topics: Chemistry in Everyday Life (71)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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