GasesPostulates of Kinetic Molecular Theory596Choose the best answerWhich statement is NOT a postulate of the Kinetic Molecular Theory of an ideal gas?AGas molecules are widely separated and have negligible volumeBGas molecules are in continuous random motionCIntermolecular attractions and repulsions are negligibleDGas molecules have definite volume and shape Like 0 Discuss 0Share
Aldehydes and KetonesFehling's Test597Choose the best answerA positive Fehling's test is indicated by formation of:ASilver mirrorBBrick-red Cu₂O precipitateCYellow CHI₃ precipitateDWhite AgCl precipitate Like 0 Discuss 0Share
Chemical BondingHybridization598Choose the best answerThe hybridization of the central atoms in CO₂, BF₃ and NH₄⁺ is respectively:Asp, sp², sp³Bsp², sp, sp³Csp, sp³, sp²Dsp², sp³, sp Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Gases#Ideal Gas Equation599Choose the best answerThe value of R (the gas constant) is: (Sindh MDCAT 2019)A0.0821 dm³ atm K mole⁻¹B803143 Nm K⁻¹ moleC0.0821 dm³ atm K⁻¹ mole⁻¹D8.3143 dm³ atm K⁻¹ mole⁻¹ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Penetrating Power#Radioactivity600Choose the best answerWhich radioactive emission has the greatest penetrating power?Aα particlesBβ particlesCγ raysDPositive rays Like 0 Discuss 0Share