Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers56Choose the best answerWhich property best describes a thermoplastic polymer?AIt permanently decomposes whenever heatedBIt softens on heating and hardens on cooling, allowing reshapingCIt always possesses a three-dimensional cross-linked structureDIt cannot be reshaped after its first formation Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers57Choose the best answerWhich example represents a copolymer?APVC formed from vinyl chlorideBA polymer formed from vinyl acetate and butyl maleateCA polymer formed from three different monomersDPolyethylene formed from ethene Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Chromophores58Choose the best answerWhich part of a dye molecule is mainly responsible for its colour?AAuxochromeBChromophoreCDeveloperDModifier Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers59Choose the best answerWhich feature best describes a cross-linked polymer?AOnly one repeating unitBLong chains with no intermolecular connectionsCA three-dimensional network formed by strong links between chainsDPolymer chains containing only two monomers Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Epoxy Resins60Choose the best answerEpoxy resin is most suitable when which type of bond is required?AA weak, temporary bondBA waterproof and strong bondCOnly paper bondingDHair coloring Like 0 Discuss 0Share