Industrial chemistry Industrial chemistry MCQS#Polymers16Choose the best answerWhy are synthetic adhesives often preferred when high durability and water resistance are needed?AMade only from plant materialsBBased on chemical polymersCAlways temporaryDSoluble in water Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Macromolecules#Polymers17Choose the best answerQ.93 Bakelite is polymer of:ATwo glucose moleculesBFormaldehyde & acetoneCTwo amino acid moleculesDFormaldehyde & phenol Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers18Choose the best answerA polymer has a degree of polymerization (DP) of 1000. What does this mean?AThe polymer contains 1000 different monomersBThe polymer has 1000 monomer units in its polymer chainCThe polymer has a molecular mass of exactly 1000 g mol⁻¹DThe polymer contains 1000 branches Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Macromolecules#Polymers19Choose the best answerHow is Bakelite classified?ALinear polymerBBranched polymerCCross-linked polymerDAddition polymer Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers20Choose 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