LiquidsBoiling Point and External Pressure786Choose the best answerThe boiling point of a liquid increases when:AExternal pressure increasesBSurface area increasesCAmount of liquid increasesDContainer size increases Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Benzene & Aromatic Compounds#Friedel-Crafts Acylation787Choose the best answerAcetophenone can be formed by which of the following reaction of benzene? (Sindh MDCAT 2020)AAlkylationBAcylationCHalogenationDNitration Like 0 Discuss 0Share
LiquidsBoiling Point788Choose the best answerWhy does water have a much higher boiling point than hydrogen sulfide (H₂S)?AWater has a higher molar massBH₂S forms stronger covalent bondsCWater is less polarDWater molecules form strong hydrogen bonds Like 2 Discuss 0Share
MDCAT Chemistry Paper 2025#Electrochemistry#Standard Hydrogen Electrode789Choose the best answerWhen SHE is connected with Cu electrode using salt bridge and external wire: (IBA MDCAT 2025)ACu reducesBCu²⁺ reducesCH⁺ reducesDH₂ reduces Like 3 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Electrochemistry#Electrorefining790Choose the best answerHow would you describe the purity of copper obtained through electric refining? (MDCAT Reconduct 2023)A60% pureB100% pureC50% pureD80% pure Like 0 Discuss 0Share