Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers41Choose the best answerWhich monomer–polymer pair is correctly matched?AEthene → PolypropyleneBPropene → PolyethyleneCStyrene → PolystyreneDAcrylonitrile → PVC Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Hair Dyes42Choose the best answerWhich chemical is commonly used as the developer in permanent hair dyes?ASodium chlorideBHydrogen peroxideCEthylene glycolDFormaldehyde Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers43Choose the best answerWhich polymer is formed by condensation of ethylene glycol with terephthalic acid?ANylon-6,6BBakeliteCTeryleneDPolystyrene Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Proteins44Choose the best answerα-Helix and β-sheet are examples of which level of protein structure?APrimary structureBSecondary structureCTertiary structureDQuaternary structure Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Enzymes#Macromolecules45Choose the best answerWhich statement correctly describes an enzyme?AThey are consumed completely during reactionsBThey are biological catalysts that speed up reactionsCThey are carbohydrates that store energyDThey function only at very high temperatures Like 0 Discuss 0Share