Chemical equilibrium 01Chemical equilibrium #Physical and Chemical Changes#Stoichiometry6Choose the best answerWhich of the following is a reversible physical change?ACombustion of methaneBRusting of ironCMelting and freezing of waterDBurning of magnesium Like 0 Discuss 0Share
Basic Concepts of ChemistryPhysical and Chemical Changes7Choose the best answerWhich of the following is not a chemical change?APhotosynthesisBDigestionCTearing a paperDRusting of iron Like 0 Discuss 0Share
Stoichiometry 11#Physical and Chemical Changes8Choose the best answerWhich option represents a chemical change?ATwinkling of starsBCooking of vegetablesCCutting of fruitsDBoiling of water Like 0 Discuss 0Share
Basic Concepts of ChemistryPhysical and Chemical Changes9Choose the best answerWhich description best fits a reversible physical change?APermanent and reversibleBTemporary and irreversibleCTemporary and reversibleDPermanent and irreversible Like 0 Discuss 0Share
BasicsStoichiometry #Physical and Chemical Changes10Choose the best answerWhich change leaves the chemical composition of a substance unchanged?APhysical changeBChemical changeCNuclear changeDAtomic change Like 0 Discuss 0Share