Question

Give three examples of reaction between metals and water ,to show that different metals have different reactivities
please answer

Answer 1

Answer:

Explanation:

sodium + water ➞ sodium hydroxide + hydrogen

2Na(s) + 2H2O(l) ➞ 2NaOH(aq) + H2(g)

calcium + water ➞ calcium hydroxide + hydrogen

Ca(s) + 2H2O(l) ➞ Ca(OH)2(aq) + H2(g)

magnesium + steam → magnesium oxide + hydrogen

Mg(s) + H2O(g) → MgO(s) + H2(g)