LiquidsVapour Pressure2211Choose the best answerWhich statement about vapour pressure is incorrect?AEvaporation is spontaneousBEvaporation is a surface phenomenonCVapour pressure decreases as temperature increasesDA solution containing a non-volatile solute may have lower vapour pressure than the pure solvent Like 0 Discuss 0Share
S & P Block Elementsp-Block Elements2212Choose the best answerAn element belongs to the p-block when its differentiating electron enters:Ans orbitalBnp orbitalC(n−1)d orbitalD(n−2)f orbital Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Chemistry of Hydrocarbons#Ozonolysis of Alkenes2213Choose the best answerGlyoxal is formed by ozonolysis of:AetheneBbenzeneCacetoneDacetylene Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Chemical Kinetics#Rate Law2214Choose the best answerFor which of the following order of the reaction, rate of reaction is inversely proportional to the concentration of reaction? (Sindh MDCAT 2020)A1st order reactionB2nd order reactionCNegative order of reactionDZero order of reaction Like 0 Discuss 0Share
StoichiometryMole#Mole Concept2215Choose the best answerWhat is the mass of one gram-ion of OH⁻?A1 gB17C17 uD17 g Like 0 Discuss 0Share