Atomic StructureHund's Rule2001Choose the best answerWhich rule states that degenerate orbitals are occupied singly before electron pairing occurs?APauli exclusion principleBHund's ruleCAufbau principleDHeisenberg uncertainty principle Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Electrochemistry#Oxidation2002Choose the best answerDuring oxidation process, oxidation number of an element: (Sindh MDCAT 2020)ADecreasesBIncreasesCRemains constantDBoth A & B Like 0 Discuss 0Share
LiquidsFactors Affecting Evaporation2003Choose the best answerThe rate of evaporation is generally inversely related to:AStrength of intermolecular forcesBSurface areaCTemperatureDMolecular kinetic energy Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Chemistry of Hydrocarbons#Cracking2004Choose the best answerCracking is a process used to increase the quantity of petrol (gasoline) from which source? (MDCAT Reconduct 2023)ACrude oilBCoalCBiomassDNatural gas Like 0 Discuss 0Share
Fundamental Concepts of ChemistryPhase Changes2005Choose the best answerConversion of a liquid into a solid is called:ABoilingBSublimationCFreezingDVaporization Like 0 Discuss 0Share