paulo investigates how vigorously the group 2 elements reacts woth water. He wants to find out of there is trend in these reactions.Name the variable he changes and the variable he observe
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These all react with cold water with increasing vigour to give the metal hydroxide and hydrogen. ... Bubbles of hydrogen gas are given off, and a white precipitate (of calcium hydroxide) is formed, together with an alkaline solution (also of calcium hydroxide - calcium hydroxide is slightly soluble).
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Explanation:
These all react with cold water with increasing vigour to give the metal hydroxide and hydrogen... Bubbles of hydrogen gas are given off, and a white precipitate (of calcium hydroxide) is formed, together with an alkaline solution (also of calcium hydroxide - calcium hydroxide is slightly soluble).
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