Question

2. Which of the following represents a physical change? (a) H20(l) = 2H2(g)+O2(g) (6) 2H20(l) =2H2(g) + O2(g) (c) C(s) + O2(g) → CO2(g) (d) 2H2(g) + O2(g) → 2H20(l).​

Answer 1

Answer:

a,H2O(l)=2H2(g)

Explanation:

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