ElectrochemistryGalvanic Cell1861Choose the best answerThe overall reaction responsible for producing electrical energy in a voltaic cell is a:AHydrolysis reactionBOxidation reaction onlyCReduction reaction onlyDRedox reaction Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electronic Configuration1862Choose the best answerHow are electrons arranged in degenerate orbitals according to Hund’s rule?APairing in one orbital before occupying anotherBOccupying them singly with parallel spins before pairingCOccupying the highest-energy orbital firstDEntering only two of the available orbitals Like 3 Discuss 0Share
LiquidsVacuum Distillation and Boiling Point1863Choose the best answerIn vacuum distillation, the boiling temperature is lowered mainly by:AIncreasing pressureBDecreasing pressureCIncreasing heating rateDIncreasing surface tension Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Atomic Structure#Electronic Configuration1864Choose the best answerThe valence shell electronic configuration of an element is 4s² 4p¹. To which group does the element belong? (MDCAT 2023)AIBBIIBCIADIIIA Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Proteins1865Choose the best answerWhich pair of proteins is directly involved in muscle contraction?AActin and myosinBAmylase and pepsinCInsulin and hemoglobinDCollagen and casein Like 0 Discuss 0Share