BasicsStoichiometry #Mole Concept1476Choose the best answerOne mole of NH₃ contains:A1 atom of NB1 mol of total atomsC3 mol of H atomsDNₐ total atoms Like 0 Discuss 0Share
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Chemical Bonding#Molecular Geometry1477Choose the best answerThe bond angle between C–C in diamond is: (IBA MDCAT Reconduct 2024)A104.5°B109°C180°D90° Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Macromolecules#Proteins1478Choose the best answerQ.113 In protein, amino acid molecules are linked by:AGlucosidic linkageBGlycosidic linkageCPeptide linkageDEthane linkage Like 0 Discuss 0Share
SolidsDensity of Ice1479Choose the best answerIce floats on liquid water because:AIce is heavier than waterBIce has lower density due to its open structureCIce has greater electrical conductivityDIce contains more hydrogen atoms Like 2 Discuss 0Share2
Chemical EquilibriumEquilibrium Constant Kc1480Choose the best answerFor A + B ⇌ C + D, equal initial concentrations of A and B are used. At equilibrium, the concentration of C is twice that of A. The value of Kc is:A4B2C1/4D1/2 Like 0 Discuss 0Share