} Thus, it can be understood that calcium oxide is an ionic compound featuring an ionic bond between calcium and oxygen. try { This reaction is strongly exothermic and takes place vigorously with the formation of clouds of steam. When a drop of this liquid is put on a red litmus paper, it turns blue. Relevance. } 6 App Features That Admin Professionals Will Love, What You Need to Know About Door Lock Options for Your Office, The Role of Leadership in Establishing Company Values, 3 Misconceptions About Visitor Management, Security and Compliance/Visitor Management, The role of the receptionist in the modern workplace. Pour 1/2 cup baking soda down the drain. t.src=v;s=b.getElementsByTagName(e)[0]; 5. The ions interact with the water molecules and form hydrated ions. The iodine ion has a 1- charge, while the calcium ion has a 2+ charge. } Calcium oxide has a medium viscosity and a high surface tension, plus a high to intermediate expansion and contraction rate. 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