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CHEM2: Chemistry in Your World 2nd Edition Test Bank

Maximize your score with CHEM2: Chemistry in Your World 2nd Edition Test Bank, offering structured content, solved examples, and test-taking tips.

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Chapter 1—Living in a World of ChemistryMULTIPLE CHOICE1.Which activity comes first in the scientific method?a.conclusionb.hypothesisc.experimentationd.observationANS:D2.Which is considered a physical science?a.physicsb.biologyc.zoologyd.botanyANS:A3.A scientist is trying to make a new insecticide that will be more toxic to flies, but less toxic to humansthan insecticides now available. The scientist is engaged ina.basic research.b.applied research.c.technology.d.serendipity.ANS:B4.Which technology described in this chapter required the most time from idea to use?a.photographyb.nylonc.roll-on deodorantd.X-rays in medicineANS:D5.The discovery of Teflon® wasa.anexample of planned research.b.accidentalc.eventually damaging to the ozone layer.d.deemed useless by the discoverer's company.ANS:B6.Which of the following are linked to the release of CFCs?a."ozone holes" in thestratosphereb.increased air pollutionc.drinking water pollutiond.increased food spoilageANS:A

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CHEM2: Chemistry In Your World by J...

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