Stoichiometry#Atomic Structure#Isotopes611Choose the best answerWhat is a mass spectrometer mainly used to determine?AAn instrument used to determine the chemical formula of compoundsBAn instrument used to separate atoms according to their colourCAn analytical instrument used to determine the relative isotopic masses and relative abundances of isotopesDAn instrument used to measure the density of elements Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Alcohols#Alcohols and Phenols612Choose the best answerWhich process does NOT produce a primary alcohol?AReduction of carboxylic acidBReduction of aldehydeCReduction of esterDReduction of ketone Like 0 Discuss 0Share
GasesCharles's Law and Absolute Zero613Choose the best answerExtrapolation of a Charles's law V–T graph is used to estimate:ACritical pressureBAbsolute zeroCMolar massDVapour pressure Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Chemical Kinetics#Order of Reaction614Choose the best answerIn the chemical reaction N₂O₅ → NO₂, what is the order of the reaction? (MDCAT Reconduct 2023)AThird orderBFirst orderCZeroth orderDSecond order Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Alcohols and Phenols#Phenols615Choose the best answerWhich of the following is correct regarding phenol:APhenol and water are equally acidicBPhenol is less acidic than carboxylic acidCPhenol is less acidic than waterDPhenol is less acidic than ethanol Like 1 Discuss 0Share