Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Organic Nomenclature121Choose the best answerWhat is the correct IUPAC name of isobutylene?ABut-1-eneBBut-2-eneC2-Methylbut-1-eneD2-Methylprop-1-ene Like 0 Discuss 0Share
LiquidsPressure Cooker and Boiling Point122Choose the best answerFood cooks faster in a pressure cooker because:AThe boiling point of water increasesBThe boiling point of water decreasesCWater evaporates at room temperatureDAtmospheric pressure outside becomes zero Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms123Choose the best answerUsing Ar(Ar) = 40 and Ar(Ca) = 40, 20 g Ar contains the same number of atoms as:A40 g CaB30 g CaC20 g CaD10 g Ca Like 0 Discuss 0Share
Atomic StructureAtomic Orbitals124Choose the best answerAn atomic orbital is commonly represented as an:AElectron cloudBElectron seaCSubshell onlyDPrincipal shell Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Atomic Structure#Charge-to-Mass Ratio125Choose the best answerWhich positive ion has the lowest charge-to-mass (e/m) ratio? (Sindh MDCAT 2020)ALi²⁺BH⁺CHe²⁺DBe²⁺ Like 0 Discuss 0Share1