Basic Concepts of ChemistryPhysical and Chemical Changes2791Choose the best answerWhich of the following represents a physical change?ACutting fruit into piecesBBurning coalCMelting waxDBoth A and C Like 0 Discuss 0Share
GasesIdeal Gas Model and Liquefaction2792Choose the best answerAn ideal gas cannot be liquefied in the ideal-gas model because:AIts critical temperature is always above 0°CBIt solidifies firstCIts particles are very largeDIntermolecular attractive forces are assumed to be absent Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Gases#Kinetic Molecular Theory2793Choose the best answerAccording to kinetic molecular theory, the average kinetic energy of gas molecules increases when:ATemperature increasesBTemperature decreasesCThe gas condenses at constant temperatureDThe gas freezes Like 0 Discuss 0Share
Periodic TableElectronegativity Trend2794Choose the best answerWhich of the following elements has the highest electronegativity?AAlBSCSiDP Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Passivation of Aluminium#S- and P-Block Elements2795Choose the best answerAluminium does not react with:AH₂SO₄BH₃PO₄CHNO₃DHCl Like 0 Discuss 0Share