Sindh MDCAT 2020 Chemistry#Aldehydes and Ketones#Carbonyl Compounds441Choose the best answerSecondary alcohol is the product of reduction of which carbonyl compound? (Sindh MDCAT 2020)ACH₃CHOBCH₃COCH₃CHCHODCH₃CH₂CHO Like 0 Discuss 0Share
Periodic TableIonization Energy442Choose the best answerThe energy required to remove an electron from an isolated gaseous atom is called:AIonization energyBElectropositivityCElectronegativityDElectron affinity Like 0 Discuss 0Share
Periodic TableElectronegativity Trend443Choose the best answerWhich of the following elements has the highest electronegativity?AAlBSCSiDP Like 0 Discuss 0Share
SolidsAmorphous Solids444Choose the best answerWhich of the following is an amorphous solid?AGlassBNaClCCsClDCaF₂ Like 0 Discuss 0Share
Fundamental Concepts of ChemistryReversible Physical Changes445Choose the best answerWhich is a reversible physical change?AGrinding wood into sawdustBCutting down a treeCHeating an iron nail and allowing it to coolDBoth A and B Like 0 Discuss 0Share