Stoichiometry#Atomic Structure#Subatomic Particles476Choose the best answerWhich particle has a mass closest to 1 amu?AOne electronBOne protonCOne carbon-12 atomDOne oxygen atom Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Mass Unit477Choose the best answerOne atomic mass unit (1 u) is defined as:A1/16 of the mass of one oxygen-16 atomB1/12 of the mass of one carbon-12 atomC1/14 of the mass of one nitrogen-14 atomD1/10 of the mass of one neon-20 atom Like 0 Discuss 0Share
Stoichiometry 11#Physical and Chemical Changes478Choose the best answerWhich option represents a chemical change?ATwinkling of starsBCooking of vegetablesCCutting of fruitsDBoiling of water Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Aldehydes and Ketones#Carbonyl Compounds479Choose the best answerSecondary alcohol is the product of reduction of which carbonyl compound? (Sindh MDCAT 2020)ACH₃CHOBCH₃COCH₃CHCHODCH₃CH₂CHO Like 0 Discuss 0Share
Periodic TableIonization Energy480Choose the best answerThe energy required to remove an electron from an isolated gaseous atom is called:AIonization energyBElectropositivityCElectronegativityDElectron affinity Like 0 Discuss 0Share