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OpenStudy (anonymous):

Which metal will displace hydrogen form aqueous solutions of acids but not from cold water? a)calcium b)copper c)sodium d)zinc

OpenStudy (anonymous):

zinc

OpenStudy (anonymous):

Please Explain it joeywhite

OpenStudy (anonymous):

calcium will displace hydrogen from aqueos acid and water copper will not dispace hydrogen from either sodium - as for calcium zinc displaces hydrogen from acid but not from water

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