StoichiometryMole Concept and Avogadro Constant751Choose the best answerOne mole of SO₂ contains:A4 gram-atoms of SO₂B6.022 × 10²³ sulfur atomsC1.81 × 10²³ SO₂ moleculesD6.02 × 10²³ oxygen atoms Like 0 Discuss 0Share
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Atomic Mass Unit#Stoichiometry752Choose the best answer1 atomic mass unit is approximately equal to: (IBA MDCAT Reconduct 2024)A1.66 × 10⁻²⁴ kgB9.11 × 10⁻³¹ kgC1.66 × 10⁻²⁷ kgD1.67 × 10⁻²⁷ g Like 0 Discuss 0Share
SolidsFactors Affecting Lattice Energy753Choose the best answerWithin the simplified ionic model, which compound is expected to have the highest lattice energy?ALiFBNaClCBeF₂DAlCl₃ Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Alkynes#Chemistry of Hydrocarbons754Choose the best answerThis gas is used in welding:AMethaneBEthaneCEtheneDEthyne Like 0 Discuss 0Share
Industrial ChemistrySuper Glue755Choose the best answerWhich adhesive is especially associated with rapid bonding of materials such as metal, plastic and ceramic?AStarch glueBSuper glueCWood glueDRubber cement Like 0 Discuss 0Share