StoichiometryMole Concept and Number of Atoms1311Choose the best answerEqual masses of N₂, H₂ and O₂ are present in a vessel. Which sample contains the least number of atoms?AH₂BN₂CO₂DBoth H₂ and N₂ Like 0 Discuss 0Share
Atomic StructureIsotopes1312Choose the best answerArtificial disintegration of nuclei is commonly used to produce:ARadioactive isotopesBOnly stable isotopesCOnly naturally occurring isotopesDNo new nuclides Like 1 Discuss 0Share
BasicsStoichiometry #Gas Laws#Gases1313Choose the best answerAt the same temperature and pressure, which gas sample occupies the least volume?A5 NA H₂B10 NA O₂C2.5 NA CO₂D20 NA N₂O Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Periodic Table#Periodic Trends1314Choose the best answerWhich pair of elements belongs to same group in the periodic table:AMg and SBO and BrCNa and AlDC and Si Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Gases#Ideal Gas Equation1315Choose the best answerFor a fixed amount of ideal gas at constant temperature, which quantity remains constant?AThe ratio of pressure to volume always remains constantBVolume always remains constantCPressure always remains constantDThe product of pressure and volume always remains constant Like 0 Discuss 0Share