Chemistry 0620 · IGCSE · Reactivity series

Reactivity series — practice question

What is the balanced chemical equation for the reaction of calcium with water?

  • A$\text{Ca} + \text{H}_2\text{O} \rightarrow \text{CaOH} + \text{H}_2$
  • B$\text{Ca} + \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2$
  • C$\text{Ca} + 2\text{H}_2\text{O} \rightarrow \text{CaOH} + \text{H}_2$
  • D$\text{Ca} + 2\text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2$

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