XIIMDCAT Chemistry Test#Mass Ratio#Stoichiometry1626Choose the best answerWhat is the mass ratio of carbon to hydrogen in C₆H₆?A6 : 1B1 : 1C12 : 1D1 : 12 Like 0 Discuss 0Share
ElectrochemistryElectrolytic Refining1627Choose the best answerDuring electrolytic purification of copper, impure copper is made the:ACathodeBElectrolyteCAnodeDSalt bridge Like 0 Discuss 0Share
Fundamental Concepts of ChemistryDiffusion1628Choose the best answerThe spontaneous mixing and spreading of particles is called:AEvaporationBSublimationCDiffusionDBoiling Like 0 Discuss 0Share
Carboxylic AcidsReduction of Dicarboxylic Acids1629Choose the best answerReduction of oxalic acid with Zn/H₂SO₄ under the stated textbook conditions gives:AEthylene glycolBGlyoxalCGlyoxylic acidDGlycolic acid Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Bond Energy#Chemical Bonding1630Choose the best answerEnergy changes in chemical reactions are mainly due to:ABond formationBBond breakageCBond formation and breakageDIonic bonds Like 0 Discuss 0Share