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In the Equation 2 H2 + O2 → 2 H2O

Question 19

Multiple Choice

In the equation 2 H2 + O2 → 2 H2O,


A) H2, O2, and H2O are all compounds.
B) H2, O2, and H2O are all elements.
C) only H2O is a compound.
D) only H2 and O2 are compounds.

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