Industrial chemistry Industrial chemistry MCQS#Polymers966Choose the best answerWhy are synthetic adhesives often preferred when high durability and water resistance are needed?AMade only from plant materialsBBased on chemical polymersCAlways temporaryDSoluble in water Like 0 Discuss 0Share1
SINDH MDCAT 2018 Chemistry#Chemical Equilibrium#pH967Choose the best answerThe normal pH of blood is: (Sindh MDCAT 2018)A7.75B7.35C7.25D7.05 Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Percentage Yield#Stoichiometry968Choose the best answerA chemical reaction has a theoretical yield of 25 g, but only 20 g of product was obtained, What is the percentage yield of the reaction?A20%B25%C45%D80% Like 3 Discuss 3Share
Carboxylic AcidsEffect of Substituents on Acidity of Benzoic Acid969Choose the best answerWhich substituent decreases the acidity of benzoic acid the most?A–NO₂B–ClC–CND–CH₃ Like 0 Discuss 0Share
StoichiometryMolar Volume at STP970Choose the best answer5.6 L O₂ at STP (273 K and 1 atm) corresponds to:A1 molB1/2 molC1/4 molD1/8 mol Like 0 Discuss 0Share