StoichiometryMole–Mass Stoichiometry1196Choose the best answerWhat mass of SO₂ is formed by burning sulfur in 5.0 mol O₂? S + O₂ → SO₂A640 gB320 gC160 gD80 g Like 0 Discuss 0Share
GasesElastic Collisions1197Choose the best answerAn elastic collision between gas molecules means that:ATheir velocities never changeBTotal kinetic energy is conservedCTheir directions never changeDPotential energy remains permanently zero Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Industrial Chemistry#Solvay Process1198Choose the best answerQ.121 Ammonia Solvay process is an industry for manufacture of:AHNO₃BHClCSoda ash (Na₂CO₃)DH₂SO₄ Like 0 Discuss 0Share
Industrial ChemistryEffect of Substrate Concentration on Enzyme Activity1199Choose the best answerIncreasing substrate concentration generally increases enzyme reaction rate until:AThe substrate becomes an enzyme.BAll enzyme active sites become saturated.CThe pH automatically becomes neutral.DThe enzyme is permanently destroyed. Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Downs Cell#Electrochemistry1200Choose the best answerQ.117 Down cell is for the:AMetallurgy of NaBMetallurgy of MgCMetallurgy of AlDMetallurgy of Fe Like 0 Discuss 0Share