BasicsStoichiometry #Molecular Mass1376Choose the best answerWhich substance has numerically equal molecular mass and formula mass?ACaCO₃BMgOCNH₃DCaCO₃ and MgO Like 0 Discuss 0Share
ElectrochemistryStandard Hydrogen Electrode1377Choose the best answerWhen SHE acts as an anode, the half-reaction is:AH₂(g) → 2H⁺(aq) + 2e⁻B2H₂O(l) → 2H₂(g) + O₂(g)C2H⁺(aq) + 2e⁻ → H₂(g)D2H₂O(l) + 2e⁻ → 2OH⁻(aq) + H₂(g) Like 0 Discuss 0Share
Atomic StructureIsoelectronic Species1378Choose the best answerWhich set consists of isoelectronic species?ACO, CN⁻, NO⁺, C₂²⁻BCO⁻, CN, NO, C₂⁻CCO⁺, CN⁺, NO⁻, C₂DCO, CN, NO, C₂ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Subatomic Particle Mass1379Choose the best answerApproximately how many times heavier is a proton than an electron?A1836 timesB1839 timesC100,000 timesD1909 times Like 0 Discuss 0Share
SolidsSublimation1380Choose the best answerWhich substance readily sublimes on heating?ASodium chlorideBSugarCCamphorDIron Like 0 Discuss 0Share