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Which equation shows a physical change? (1 point) H2O(g) → H2O(s) HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) 2H2O(l) → 2H2(g) + O2(g) Pb(NO3)2 (aq) + 2KI(aq) → 2KNO3(aq) + PbI2(s)
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Which equation shows a physical change? (1 point)

H2O(g) → H2O(s)

HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)

2H2O(l) → 2H2(g) + O2(g)

Pb(NO3)2 (aq) + 2KI(aq) → 2KNO3(aq) + PbI2(s)

User Yaser
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1 Answer

1 vote
The answer to your question is:
H2O(g) --> H2O(s)
User Ryan Tse
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