Problem:  Choose the member of each pair that is expected to have the higher normal melting point. Na or CO2  ,  Al2O3 or NaCl  ,  CH3OH or LiF  ,  SiO2 or H2Oa) Na, NaCI, CH3OH, SiO2b) CO2, Al2O3, LiF, H2Oc) Na, NaCI, CH3OH, H2Od) CO2, Al2O3, LiF, SiO2e) Na, Al2O3, LiF, SiO2

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 Choose the member of each pair that is expected to have the higher normal melting point. Na or CO2  ,  Al2O3 or NaCl  ,  CH3OH or LiF  ,  SiO2 or H2O

a) Na, NaCI, CH3OH, SiO2

b) CO2, Al2O3, LiF, H2O

c) Na, NaCI, CH3OH, H2O

d) CO2, Al2O3, LiF, SiO2

e) Na, Al2O3, LiF, SiO2

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