What gas is produced when magnesium reacts with sulfuric acid?

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Study for the IGCSE Edexcel Chemistry Test. Access flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

What gas is produced when magnesium reacts with sulfuric acid?

Explanation:
When a metal reacts with an acid, hydrogen gas is produced as the metal displaces the hydrogen ions from the acid. Magnesium is more reactive than hydrogen, so it can push hydrogen out of sulfuric acid. The reaction forms magnesium sulfate and hydrogen gas: Mg + H2SO4 → MgSO4 + H2. That gaseous release is hydrogen. Other gases aren’t formed here because there’s no source of oxygen, carbon, or nitrogen in this particular reaction.

When a metal reacts with an acid, hydrogen gas is produced as the metal displaces the hydrogen ions from the acid. Magnesium is more reactive than hydrogen, so it can push hydrogen out of sulfuric acid. The reaction forms magnesium sulfate and hydrogen gas: Mg + H2SO4 → MgSO4 + H2. That gaseous release is hydrogen. Other gases aren’t formed here because there’s no source of oxygen, carbon, or nitrogen in this particular reaction.

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