MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Calcium reacting with water. Student watching hydrogen gas being produced from a test tube during the reaction of calcium with water. The other product of this reaction is calcium hydroxide. The chemical equation for the reaction is: Ca + 2.H2O => Ca(OH)2 + H2. Elemental calcium reacts vigorously with water, and large amounts of gas and heat are being generated here.
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