Question 50 (Textile Engineering & Fibre Science)
Determine the correctness or otherwise of the following assertion (a) & reason (r)
Assertion: Disperse dyes are dyed on polyester fibres at 130oC from an aqueous dispersion of the dye
Reason: The dispersion dye is partially soluble in water during dyeing at 130oC and it is dissolved dye that is taken up by the polyester fibre during dyeing
| (A) | Both (a) and (r) are true and (r) is the correct reason for (a) |
| (B) | Both (a) and (r) are true and (r) is not the correct reason for (a) |
| (C) | Both (a) and (r) are false |
| (D) | (a) is true but (r) is false |
[Show Answer]
write here