StoichiometryMole Concept and Number of Atoms2276Choose the best answerThe number of oxygen atoms present in 49 g H₂SO₄ is:A0.5NABNAC2NAD4NA Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Structure#Isotopes2277Choose the best answerWhich pair represents isotopes of the same element?A¹²C and ¹⁴NB³⁵Cl and ³⁷ClC⁴⁰Ar and ⁴⁰CaD²³Na and ²⁴Mg Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Atomic Structure#Quantum Numbers2278Choose the best answerThe relationship between principal quantum number n and azimuthal quantum number l is: (Sindh MDCAT 2020)An = l - 1Bl = n - 2Cl = n - 1Dn = l - 2 Like 0 Discuss 0Share
Alcohols and PhenolsBoiling Point of Alcohols2279Choose the best answerWhich alcohol has the highest boiling point?AMethanolBEthanolCPropan-1-olDButan-1-ol Like 0 Discuss 0Share
SolidsHydrogen Bonding in Ice2280Choose the best answerThe relatively high latent heat associated with melting ice is mainly due to:AIonic bondingBHydrogen bondingCMetallic bondingDCovalent bonds between separate H₂O molecules Like 0 Discuss 0Share