Browse Questions

# Martius yellow and congo red are examples of which types of dyes?

$(a)\;\text{Disperse dyes} \\ (b)\;\text{Vat dyes} \\(c)\;\text{Mordant dyes} \\ (d)\;\text{Direct dyes}$

Since martius yellow and congo red are directly applied to the fabric from their aqueous solutions.
They are very effective for dying cotton, rayon,wool.
Thus its a Direct dye.
Hence d is the correct answer.