Sindh MDCAT 2021 Chemistry#Electrochemistry#Oxidation Number86Choose the best answerOxidation state of oxygen in oxides is:A-2B+2C-1/2D-1 Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Electrochemistry#Oxidation87Choose the best answerDuring oxidation process, oxidation number of an element: (Sindh MDCAT 2020)ADecreasesBIncreasesCRemains constantDBoth A & B Like 0 Discuss 0Share
ElectrochemistryOxidation Number88Choose the best answerOxidation number of an element may be:APositiveBZero or fractionalCNegativeDAll of these Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Electrochemistry#Electrolysis89Choose the best answerWhen electricity is passed through water in the presence of an acid oxygen and ________ is produced. (Sindh MDCAT 2018)ACarbonBCOCCO₂DHydrogen Like 0 Discuss 0Share
ElectrochemistrySalt Bridge90Choose the best answerThe main function of a salt bridge in a voltaic cell is to:ACarry electrons between electrodesBStop movement of ionsCMix both half-cell solutions completelyDAllow ion migration to maintain electrical neutrality Like 0 Discuss 0Share