Industrial chemistry Industrial chemistry MCQS#Synthetic Adhesives61Choose the best answerWhich adhesive is well known for rapid bonding of metal, plastic and ceramic?AStarch glueBSuper glueCWood glueDRubber cement Like 0 Discuss 0Share
Industrial ChemistryEffect of Substrate Concentration on Enzyme Activity62Choose the best answerIncreasing substrate concentration generally increases enzyme reaction rate until:AThe substrate becomes an enzyme.BAll enzyme active sites become saturated.CThe pH automatically becomes neutral.DThe enzyme is permanently destroyed. Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Polymers63Choose 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 0Share1
Industrial chemistry Industrial chemistry MCQS#Chromophores64Choose the best answerWhich structural feature is commonly associated with a chromophore?ASaturated single bonds onlyBConjugated double bondsCOnly hydroxyl groupsDOnly amino groups Like 1 Discuss 0Share
Industrial ChemistryEffect of Temperature on Enzyme Activity65Choose the best answerWhy does very high temperature generally decrease enzyme activity?AIt increases substrate concentration.BIt causes enzyme denaturation.CIt converts enzymes into substrates.DIt increases the enzyme's optimum pH. Like 0 Discuss 0Share