Fundamental Concepts of ChemistryPhysical Changes1Choose the best answerWhich of the following is a physical change?ARusting of ironBSouring of milkCDigestion of foodDSublimation of camphor Like 0 Discuss 0Share
Fundamental Concepts of ChemistryPhysical Changes2Choose the best answerWhich is NOT a characteristic of a physical change?AFormation of a new substanceBChange may be reversibleCChemical composition remains unchangedDPhysical properties may change Like 0 Discuss 0Share
Fundamental Concepts of ChemistryPhysical Changes3Choose the best answerA physical change is one in which:AChemical composition changesBPhysical state or another physical property may changeCNew chemical substances are always formedDChemical bonds must always be broken Like 0 Discuss 0Share
Fundamental Concepts of ChemistryPhysical Changes4Choose the best answerSolid → Gas directly, without passing through the liquid state, is called:AMeltingBBoilingCSublimationDDeposition Like 0 Discuss 0Share