Which dyes become linked to the fibre by chemical reaction? (a) Acid dyes (b) Direct dyes (c) Disperse dyes (d) None of these

Which dyes become linked to the fibre by chemical reaction?
(a) Acid dyes
(b) Direct dyes
(c) Disperse dyes
(d) None of these
by

1 Answer

Answer :

Acid dyes
by

Related questions

n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In each batch about 120 kgs of material is dried. a. The quantity of moisture removed per batch. b. What is the total quantity ( sensible & latent) of heat required to evaporate the moisture, if the latent heat of water is 540 kcal/kg at atmospheric conditions, Ignore heat absorbed by the solids c. Find the quantity of steam required for the drying process (per batch), if steam at 4 kg/cm2 is used for generating hot air in the dryer and the dryer efficiency is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Description : n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture  is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In  each batch about 120 ... dryer and the dryer efficiency  is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Last Answer : Given that   Qty of material dried per batch - 120 Kgs  Moisture at inlet - 60% a. The quantity of moisture removed per batch.  Water quantity in a wet batch - 120 x 0.6 = 72 Kgs.  Quantity of bone dry ... - 48/0.95 = 50.5 Kgs.  Equivalent water in a dry batch - 50.5 - 48 = 2.5 Kgs.

Tear gas used by the police to disperse the mob contains - (1) Carbon dioxide (2) Chlorine (3) Ammonia (4) Hydrogen sulphide

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The water-solubility of dyes can be increased by introducing (a) SO3Na groups (b) COOH groups (c) OH groups (d) All of these

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The colloidal system in which the disperse phase and dispersion medium are both liquids is known as :

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How can wind help disperse seeds?

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Tear gas used by the police to disperse the mob contains – (1) carbon dioxide (2) chlorine (3) ammonia (4) hydrogen sulphide

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Tear gas used by the police to disperse the mob contains (1) carbon dioxide (2) chlorine (3) ammonia (4) hydrogen sulphide

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Is it harmful to put dyes in your pool to make the color different?

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do hair dyes have expiration dates?

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Silk fibre chemically is – (1) Carbohydrate (2) Fat (3) Protein (4) Cellulose

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