StoichiometryRelative Atomic Mass926Choose the best answerThe mass of an atom compared with 1/12 of the mass of a ¹²C atom is its:ARelative atomic massBMolecular massCFormula massDMolar volume Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Mass927Choose the best answerIf the atomic mass of element X is 8 u, which statement is correct?AOne atom of X has mass 8 g.BOne atom of X is 8 times heavier than 1 amu.COne mole of X has mass 8 amu.DThe mass of one atom of X is 8 kg. Like 0 Discuss 0Share
Aldehydes and KetonesFehling's Test928Choose 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
SINDH MDCAT 2019 CHEMISTRY#Benzene & Aromatic Compounds#Benzene Sulphonation929Choose the best answerThe electrophile in aromatic sulphonation is: (Sindh MDCAT 2019)AH₂SO₄BHSO₄⁻CSO₃H⁺DSO₃ Like 0 Discuss 0Share
SolidsCrystal Lattice930Choose the best answerA crystal lattice is:AA single repeating moleculeBA three-dimensional regular array of lattice pointsCOne isolated unit cellDA completely disordered arrangement Like 24 Discuss 2Share1