SINDH MDCAT 2019 CHEMISTRY#Effusion#Gases3276Choose the best answerEffusion of gases take place through a hole with: (Sindh MDCAT 2019)AHole dimensionsBInfinite dimensionsCSlit like dimensionsDMolecular dimensions Like 0 Discuss 0Share
Atomic StructureBohr's Quantization of Angular Momentum3277Choose the best answerWhich statement represents the main quantization condition of Bohr's model?AElectrons are present inside the nucleusBElectrons can have any angular momentumCElectron angular momentum is an integral multiple of h/2πDElectrons remain completely stationary Like 0 Discuss 0Share
Chemical BondingMolecular Symmetry and Dipole Moment3278Choose the best answerWhich molecule contains polar bonds but has zero net dipole moment due to its symmetrical geometry?AIF₇BPCl₅CCCl₄DAll of these Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Definition of Radioactivity#Radioactivity3279Choose the best answerThe phenomenon in which certain elements emit invisible radiations is called: (Sindh MDCAT 2018)ASpectroscopyBRadioactivityCGravimetryDChromatography Like 0 Discuss 0Share
Chemical EquilibriumCommon-Ion Effect3280Choose the best answerPassing HCl gas through a saturated solution of NaCl causes the solubility of NaCl to:AIncreaseBDecreaseCRemain unchangedDBecome zero Like 0 Discuss 0Share