Stoichiometry 11#Atomic Mass Conversion196Choose the best answerWhat is the approximate mass of one ²³Na atom in kilograms?A3.82 × 10⁻²⁶ kgB2.30 × 10⁻²⁶ kgC1.66 × 10⁻²⁷ kgD3.82 × 10⁻²³ kg Like 0 Discuss 0Share
Atomic StructurePauli Exclusion Principle and Quantum Numbers197Choose the best answerWhat is the maximum number of quantum numbers that two different electrons in the same atom can have in common?AOneBTwoCThreeDFour Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Aldehydes and Ketones#Carbonyl Compounds198Choose the best answerWhich of the following reagent is used to separate and purify carbonyl and non-carbonyl compounds? (Sindh MDCAT 2020)AHCNBCH₃MgBrCNaHSO₃DH₂O Like 0 Discuss 0Share
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Gases#Pressure Units199Choose the best answerThe pressure 14.7 psi is equal to: (IBA MDCAT Reconduct 2024)A1 torrB1 pascalC1 atmD1 Nm Like 0 Discuss 0Share
ElectrochemistryCorrosion and Rusting200Choose the best answerDuring rusting, iron is converted into iron oxides. Iron is therefore:ANeutralizedBSublimedCReducedDOxidized Like 0 Discuss 0Share