Stoichiometry Stoichiometry MCQS#Mole Concept351Choose the best answerWhich sequence correctly represents atom → molecule → compound?AHe → O₂ → OBNa → H₂ → H₂OCO → O₂ → ODH → H₂O → H₂ Like 0 Discuss 0Share2
Atomic StructureMagnetic Quantum Number352Choose the best answerFor a given value of ℓ, the number of possible values of mℓ is:Aℓ + 2B2ℓ + 2C2ℓ + 1Dℓ + 1 Like 0 Discuss 0Share
GasesAvogadro's Law353Choose the best answerAt constant temperature and pressure, the volume of a gas:AIncreases as the number of moles increasesBIs independent of the number of molesCDecreases as the number of moles increasesDAlways remains constant Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Mass Comparison354Choose the best answerAn atom of X has mass 2 u and an atom of Y has mass 16 u. Which statement is correct?AOne atom of Y is 8 times heavier than one atom of XBOne mole of Y is 8 times heavier than one mole of XCBoth A and BDNeither A nor B Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Halogens#S- and P-Block Elements355Choose the best answerThe valence shell electronic configuration of Halogen family is:Ans¹Bns², np⁶Cns², (n-1)d⁵Dns², np⁵ Like 0 Discuss 0Share