LiquidsEvaporation and Cooling2371Choose the best answerWhich statement about evaporation is incorrect?AIt is spontaneousBIt raises the temperature of the remaining liquidCIt causes coolingDIt increases with surface area Like 0 Discuss 0Share
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Carboxylation of Grignard Reagents#Carboxylic Acids2372Choose the best answerGrignard reagent reacts with ______ to form carboxylic acid: (IBA MDCAT Reconduct 2024)ACO₂BH₂OCAlcoholDEster Like 1 Discuss 0Share
Industrial ChemistryStarch Adhesives2373Choose the best answerWhich adhesive is commonly associated with paper and packaging applications?AStarch glueBSuper glueCEpoxy resinDSilicone resin Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Chemical Kinetics#Rate Law2374Choose the best answerFor Rate = k[A]²[B], what happens to the rate if [A] is doubled and [B] is halved?AHalf of the original rateBEqual to the original rateCTwice the original rateDFour times the original rate Like 0 Discuss 0Share
LiquidsCondensation2375Choose the best answerCondensation of a vapour into a liquid is accompanied by:AIncrease in molecular energyBIncrease in molecular separationCNo energy changeDDecrease in energy Like 0 Discuss 0Share