What is the difference in the two reactions, namely reacting Na with water and reacting Ca to
water?
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Answer:
When a metal reacts with water, a metal hydroxide and hydrogen are formed. Sodium reacts vigorously with water. Calcium hydroxide is slightly soluble in water so once the solution is saturated, it starts to become milky as solid calcium hydroxide appear.
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Explanation:
(i)The sodium reacts with water very easily. It reacts with water to give a solution of . begins to bubble vigorously as it reacts with the water, producing hydrogen gas, and a cloudy white precipitate of calcium hydroxide.
(ii)After a second or so, the calcium metal begins to bubble vigorously as it reacts with the water, producing hydrogen gas, and a cloudy white precipitate of calcium hydroxide.
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