Industrial chemistry Industrial chemistry MCQS#Hair Dyes11Choose the best answerHow do temporary hair dyes mainly differ from permanent hair dyes?ARemain until the hair grows outBWash out after a few washesCAlways require hydrogen peroxideDPermanently alter the hair color Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Hair Dyes12Choose the best answerWhich form is commonly used for temporary hair dyes?ASprays, gels, and shampoosBOnly tabletsCOnly permanent creamsDEpoxy resins Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Auxochromes13Choose the best answerWhich group acts as an auxochrome?A–N=N–B–NO₂C–OHD–C=O Like 0 Discuss 0Share
Industrial ChemistryAuxochromes14Choose the best answerWhat is the principal role of an auxochrome in a dye molecule?AIt destroys the color of the dye.BIt enhances color and can improve attachment of the dye to a material.CIt acts as a polymerization catalyst.DIt removes dye from fabric. Like 0 Discuss 0Share
Industrial ChemistryAdhesives15Choose the best answerThe primary function of an adhesive is to:AProduce color in a material.BJoin materials together through surface bonding.CIncrease the melting point of polymers.DPrevent polymerization. Like 0 Discuss 0Share