Fundamental Concepts of ChemistryPure Substances1Choose the best answerA pure substance is best defined as:AA substance made of two or more physically mixed componentsBA substance with fixed composition and characteristic propertiesCAny mixture of different substancesDA substance that can always be separated physically Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Pure Substances2Choose the best answerWhich option represents a pure substance?AAirBMilkCSodium chlorideDSoil Like 0 Discuss 0Share