SINDH MDCAT 2019 CHEMISTRY#Electronegativity#Periodic Trends1621Choose the best answerWhich of the hydrogen compounds has the highest percentage of ionic character? (Sindh MDCAT 2019)AHClBHBrCHIDHF Like 0 Discuss 0Share
StoichiometryMass–Mass Stoichiometry1622Choose the best answerWhat mass of CaCO₃ is required to produce 2.8 g CaO? CaCO₃ → CaO + CO₂A2.5 gB5.0 gC10 gD50 g Like 0 Discuss 0Share
Atomic StructureExceptional Electronic Configurations1623Choose the best answerThe electronic configuration: [Ar] 3d⁵ 4s¹ represents the ground state of:AMnBCrCFeDCo Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Boiling Point#Liquids1624Choose the best answerIn order to boil water at 110°C, external pressure should be:A200 - 760 torrB760 - 1200 torrC665 - 670 torrD660 - 700 torr Like 0 Discuss 0Share
Atomic StructureAufbau Principle1625Choose the best answerWhich electronic configuration correctly follows the Aufbau filling order?A1s² 2s² 2p⁶B1s² 3p³ 3s²C1s² 3s² 3p⁶D1s² 2s² 3s² Like 0 Discuss 0Share