Basic Concepts of ChemistryElements, Compounds and Mixtures166Choose the best answerWhich of the following best describes a compound?ATwo or more elements physically mixedBTwo or more elements chemically combinedCA mixture of two or more substancesDA substance that can be separated by filtration Like 0 Discuss 0Share
Chemistry of HydrocarbonsOxidation of Alkynes with KMnO₄167Choose the best answerUnder the oxidation conditions used in the source, ethyne reacts with Baeyer's reagent to form:AEthaneBEthanedioic acidCEthanolDEthene Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Nomenclature of Organic Compounds#Organic Nomenclature168Choose the best answerIUPAC name of chloroform is: (SZABMU MDCAT 2025)AmethylchlorideBmethyltrichlorideCtrichloromethaneDchloromethane Like 0 Discuss 0Share
Industrial ChemistryPrimary Structure of Proteins169Choose the best answerThe primary structure of a protein is determined by its:AThree-dimensional foldingBArrangement of several polypeptide chainsCSequence of amino acidsDFormation of α-helices only Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Enzymes#Macromolecules170Choose the best answerWhy does very high temperature usually decrease enzyme activity?AIt increases substrate concentrationBIt causes enzyme denaturationCIt converts all enzymes into substratesDIt increases the enzyme's optimum pH Like 0 Discuss 0Share