Question

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)

Answer 1

The answer to your question is:
H2O(g) --> H2O(s)