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Lesson: Chapter 16 — Changes of Matter

16.3. Metals with air and water 3 of 7

Question 3

What products form when magnesium reacts with steam?

The right answer is the one marked above.

Magnesium oxide and hydrogen. Mg + H2O → MgO + H2.

The hydroxide forms with hot water (Mg + 2H2O → Mg(OH)2 + H2). Remember that the product depends on the state of the water.

Answer the question to continue.