Stoichiometry Stoichiometry MCQS#Atomic and Molecular Mass206Choose the best answerIf the molecular mass of X₂ is 50 u, what is the atomic mass of X?A100 uB25 uC50 uD12.5 u Like 0 Discuss 0Share
LiquidsVolatility207Choose the best answerWhich liquid is the most volatile?ADiethyl etherBWaterCEthanolDEthylene glycol Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Covalent Solids#Solids208Choose the best answerWhich of the following is a covalent crystal? (MDCAT 2023)ANaClBKICMgBr₂DDiamond Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Enthalpy#Thermochemistry & Thermodynamics209Choose the best answerThe change in heat energy of a chemical reaction at constant temperature and pressure is called: (Sindh MDCAT 2019)AEnthalpy changeBHeat of sublimationCInternal energy changeDHeat of formation Like 0 Discuss 0Share
LiquidsEvaporation and Intermolecular Forces210Choose the best answerWhich process involves overcoming or weakening intermolecular attractions?ACondensationBFreezingCCrystallizationDEvaporation Like 0 Discuss 0Share