Industrial ChemistryAddition Polymers26Choose the best answerWhich pair is correctly matched?AEthene → PolypropyleneBPropene → PolyethyleneCStyrene → PolystyreneDAcrylonitrile → PVC Like 0 Discuss 0Share
Industrial ChemistryTertiary Structure of Proteins27Choose the best answerThe tertiary structure of a protein mainly refers to its:ALinear amino acid sequenceBFormation of peptide bondsCOverall three-dimensional shape produced by side-chain interactionsDAssociation of several separate polypeptide chains Like 0 Discuss 0Share
Industrial ChemistryPermanent Hair Dyes28Choose the best answerIn a permanent hair dye formulation, resorcinol generally acts as a:AColorantBDeveloperCModifier or couplerDPolymerization initiator Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Haber Process#Industrial Chemistry29Choose the best answerThe equation N₂ + 3H₂ ⇌ 2NH₃ represents: (Sindh MDCAT 2020)AContact processBHaber's processCSolvay processDAvogadro's law Like 0 Discuss 0Share
Industrial ChemistryThermoplastic Polymers30Choose the best answerWhich statement correctly describes a thermoplastic polymer?AIt permanently decomposes whenever heated.BIt softens on heating and hardens on cooling, allowing reshaping.CIt always has a highly cross-linked three-dimensional structure.DIt cannot be reshaped after first formation. Like 0 Discuss 0Share