Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers26Choose the best answerWhich monomer forms PVC by addition polymerization?AEtheneBPropeneCVinyl chlorideDVinyl acetate Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers27Choose the best answerThe repeating units that join together to form a polymer are called:ACatalystsBMonomersCRadicalsDCross-links Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Enzymes#Macromolecules28Choose the best answerEnzymes show optimum activity between 37°C to 50°C. However, they work: (MDCAT 2023)AAbove 50°CBBelow 37°CCThey lose activity permanently above 50°CDThey lose activity permanently below 37°C Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers29Choose the best answerWhat is the correct sequence of steps in chain-growth polymerization?APropagation → initiation → terminationBInitiation → termination → propagationCInitiation → propagation → terminationDTermination → propagation → initiation Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Enzymes#Macromolecules30Choose the best answerA non-competitive inhibitor typically:AIt competes directly with the substrate for the active siteBIt binds elsewhere on the enzyme and changes its shapeCIt always forms a peptide bond with the substrateDIt increases enzyme activity Like 0 Discuss 0Share