Textile Engineering > GATE 2020 > Dyeing
Determine the correctness or otherwise of the following Assertion [a] and Reason [r]
[a]: Acrylic fibres are dyed with basic dyes in acidic medium.
[r]: In acidic medium the acrylic fibre acquires positive charge.
A
Both [a] and [r] are true and [r] is the correct reason for [a]
B
Both [a] and [r] are true but [r] is not the correct reason for [a]
C
Both [a] and [r] are false
D
[a] is true but [r] is false

Correct : d

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textile engineering gate 2020 acrylic fibres dyeing basic dyes acidic medium positive charge textile engineering basics dyeing acrylic fibers textile engineering questions

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