02.04.Chemical Reactions
Quiz by Kelly Gallagher
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8 questions
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- Q1A chemical change is also known as ______________.an explosiona phase changea chemical reactionevaporation30s
- Q2During a chemical reaction ____________ are broken.plasma membranebondsprotonselectrons30s
- Q3A ___________ is the substance present at the start of a reaction.mixturechemicalreactantproduct30s
- Q4A ____________ is a substance produced in a reaction.reactantprecipitateproductcompound30s
- Q5Which of these is not an indicator of a chemical reaction?liquid turns to gasa change in colortransfer of energythe formation of a precipitate30s
- Q6A _____________ is a solid that falls out of solution during a chemical reaction.gasprecipitatemoleculevapor30s
- Q7The Law of Conservation of Mass states that ____________.an object at rest will stay at restmass is neither created nor destroyedmolecules always combine in the same proportion30s
- Q8The Law of Definite Proportions states that ___________.an object in motion, will stay in motionmolecules in a compound always combine in the same proportionmass is neither created nor destroyed30s