StoichiometryAvogadro's Law and Gas Volume571Choose the best answerA stoichiometric mass–volume calculation for gases mainly connects moles with gas volume through:ALaw of definite compositionBGay-Lussac's law onlyCAvogadro's lawDLaw of multiple proportions Like 0 Discuss 0Share
Periodic TableShielding Effect572Choose the best answerAcross a period, shielding remains nearly constant because added electrons enter:ANew inner shellsBOrbitals much closer to the nucleusCThe same principal shellDCompletely filled d-orbitals Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Magnetic Properties#Transition Elements573Choose the best answerParamagnetic elements contain: (Sindh MDCAT 2019)AAll paired electronsBAll unpaired electronsCFew unpaired electronsDUnequal electrons and protons Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Chemical Kinetics#Rate Constant574Choose the best answerK is called specific rate constant because it is: (IBA MDCAT 2025)ARate per unit concentrationBTemperature independentCDepends on concentrationDUnitless Like 0 Discuss 0Share
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Macromolecules#Proteins575Choose the best answerWhich protein transports oxygen from the lungs to every tissue in the body? (IBA MDCAT Reconduct 2024)AMyoglobinBAlbuminCHemoglobinDInsulin Like 0 Discuss 0Share