MDCAT Chemistry Paper 2025#Limiting Reagent#Stoichiometry146Choose the best answer50g of Mg is burnt with 32g of oxygen to form MgO, amount of excess reagent left is? (IBA MDCAT 2025)A6g MgB2g MgC8g O₂D16g O₂ Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Macromolecules#Polymers147Choose the best answerWhich pair consists entirely of condensation polymers?APVC and PANBNylon and PVACBakelite and TeryleneDPE and PP Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistrySources of Aromatic Compounds148Choose the best answerWhich pair is an important source of aromatic compounds?ACoal and natural gasBCoke and coal gasCMarsh gas and water gasDCoal tar and petroleum Like 0 Discuss 0Share
Aldehydes and KetonesAldol Condensation149Choose the best answerAldol condensation occurs in aldehydes or ketones containing:AOnly a carbonyl groupBAt least one α-hydrogen atomCA phenyl groupDTwo carbonyl groups Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#First Law of Thermodynamics#Thermochemistry & Thermodynamics150Choose the best answerIf 100 kJ of heat is absorbed by the system and 40 kJ of work is done on the system what is the change of internal energy?A-60 kJB+60 kJC-140 kJD+140 kJ Like 0 Discuss 0Share