Basic Concepts of ChemistryElements, Compounds and Mixtures6Choose the best answerWhen three elements X, Y, and Z chemically combine to form XYZ, the properties of XYZ are:ALike those of X and YBLike those of Y and ZCDifferent from those of X, Y, and ZDSimilar to both X and Y Like 0 Discuss 0Share
Basic Concepts of ChemistryElements, Compounds and Mixtures7Choose the best answerWhich of the following is a compound?AAirBCarbonCOxygenDSteam Like 0 Discuss 0Share
Basic Concepts of ChemistryElements, Compounds and Mixtures8Choose the best answerA compound contains:ADifferent kinds of atoms mixed togetherBThe same kind of atoms mixed togetherCDifferent kinds of atoms chemically combined togetherDThe same kind of atoms chemically combined together Like 0 Discuss 0Share
Basic Concepts of ChemistryElements, Compounds and Mixtures9Choose the best answerWhich of the following best describes a compound?ATwo or more elements physically mixedBTwo or more elements chemically combinedCA mixture of two or more substancesDA substance that can be separated by filtration Like 0 Discuss 0Share