Chemistry, 30.11.2020 22:50 adriandehoyos1p3hpwc

Which equation shows a physical change? A. Pb(NO3)2 (aq) + 2KI(aq) → 2KNO3(aq) + PbI2(s)
B. HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)
C.2H2O(l) → 2H2(g) + O2(g)
D. H2O(g) → H2O(s)

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Which equation shows a physical change? A. Pb(NO3)2 (aq) + 2KI(aq) → 2KNO3(aq) + PbI2(s)
B....