StoichiometryAvogadro's Law61Choose the best answerWhich pair contains equal numbers of molecules?A1 g H₂ and 44 g CO₂B1 dm³ O₂ and 1 dm³ N₂ at the same temperature and pressureC1 mol H₂ and 0.5 mol HeDAll of these Like 0 Discuss 0Share
Aldehydes and KetonesIodoform Test62Choose the best answerWhich test distinguishes pentan-2-one from pentan-3-one?ATollens' testBFehling's testCIodoform testDFerric chloride test Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Electronegativity#Periodic Trends63Choose the best answerWhich of the following has the highest value of electronegativity? (Sindh MDCAT 2020)AIBBrCClDF Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Alkenes#Chemistry of Hydrocarbons64Choose the best answerDehydration of Ethanol produces:AEthyneBEthaneCEtheneDWater gas Like 0 Discuss 0Share
Stoichiometry Element #Mixtures65Choose the best answerWhich substance can be separated into its components by physical methods?AAirBSodium chlorideCPure waterDCarbon dioxide Like 0 Discuss 0Share