MCQ 1011 Mark$BF _3$ is a✓Lewis acidBLewis baseCamphoteric compoundDElectrolyte onlyAnswerCorrect option: A. Lewis acidView full question & answer→
MCQ 1021 MarkAccording to Lowry$-$Bronsted concept, base is a substance which acts as $–$Aa proton donorBan electron donor✓a proton acceptorDan electron acceptorAnswerCorrect option: C. a proton acceptorView full question & answer→