LiquidsHydrogen Bonding and Boiling Point1466Choose the best answerWhich order of boiling points is correct?AH₂O > HF > HCl > NH₃BH₂O > HF > NH₃ > HClCHF > H₂O > HCl > NH₃DNH₃ > H₂O > HF > HCl Like 0 Discuss 0Share
StoichiometryMass of a Single Molecule1467Choose the best answerThe mass of one sucrose molecule, C₁₂H₂₂O₁₁, is approximately:A5.7 × 10⁻²² gB1.6 × 10⁻²² gC1.4 × 10⁻²¹ gD5.7 × 10⁻²⁰ g Like 0 Discuss 0Share
Fundamental Concepts of ChemistryElements and Compounds1468Choose the best answerWhich of the following is NOT an element?ADiamondBGraphiteCSilicaDOzone Like 0 Discuss 0Share
StoichiometryLimiting Reagent1469Choose the best answerEach sandwich requires 2 slices of bread and 1 shami. If 20 bread slices and 8 shamies are available, how many bread slices remain after making the maximum number of sandwiches?A2B4C6D8 Like 0 Discuss 0Share
Aldehydes and KetonesIodoform Test1470Choose the best answerCH₃CHO and C₆H₅CH₂CHO can be distinguished using:ABenedict's testBIodoform testCTollens' reagentDFehling's solution Like 0 Discuss 0Share