Calcium reacts with water, 4 of 4. 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 beaker with water. Calcium first sinks but then bubbles up due to H2. Calcium hydroxide is seen as white precipitate. | |
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Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 3390 px × 5135 px |
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