UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Atomic Structure#Electronic Configuration101Choose the best answerWhich element has the ground state electronic configuration of 1s², 2s², 2p⁶, 3s², 3p⁶? (UHS MDCAT 2023)AArBClCNaDS Like 0 Discuss 0Share1
LiquidsHydrogen Bonding and Volume Contraction102Choose the best answerWhen 50 mL ethanol is mixed with 50 mL water, the final volume may be less than 100 mL mainly because of:AVapour pressureBHydrogen bondingCBoilingDChemical reaction Like 0 Discuss 0Share
ElectrochemistryCalculation of Oxidation Number103Choose the best answerThe average oxidation state of carbon in glucose, C₆H₁₂O₆, is:A+4B−4C+6D0 Like 0 Discuss 0Share
Industrial ChemistryEnzymes as Biological Catalysts104Choose the best answerWhich statement best describes enzymes?AThey are completely consumed during reactions.BThey are biological catalysts that increase reaction rates.CThey are carbohydrates used only for energy storage.DThey function only at very high temperatures. Like 0 Discuss 0Share
GasesPlasma State105Choose the best answerPlasma consists mainly of:ANeutral atoms onlyBIonized particles and free electronsCMolecules fixed in positionDSolid particles only Like 1 Discuss 0Share