The highest washing fastness in a dyed cotton fabric would be obtained

1.	The highest washing fastness in a dyed cotton fabric would be obtained if the dye-fibre bond is
A.	Ionic
B.	Hydrogen
C.	Covalent
D.	Van der Waals force
Answer» D. Van der Waals force

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The highest washing fastness in a dyed cotton fabric would be obtained if the dye-fibre bond is

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