Calcium reacts with water, 3 of 3

Calcium reacts with water, 3 of 3

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Caption: Calcium reacts with water, 3 of 3. Calcium metal (Ca) reacts vigorously with water (H2O), producing hydrogen gas (H2) bubbles and slightly soluble calcium hydroxide (Ca(OH)2): Ca + H2O -> Ca(OH)2 + H2. In this sequence a chunk of calcium is dropped into a test tube with water. Calcium first sinks but then bubbles up due to H2. Calcium hydroxide is seen as white precipitate.

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Keywords: alkaline earth metal, bubbles, ca, calcium, calcium hydroxide, caoh2, chemical, chemistry, chemistry experiment, compound, element, h2, h2o, hydrogen, hydroxide, metal, reaction, reactivity, sequence, series, test tube, water

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