AQA Chemistry GCSE - C1a 1.4

Quicklime and Slaked Lime

• Quicklime (calcium oxide) reacts with water to produce slaked ime (calcium hydroxide)
• Calcium hydroxide is only slightly soluble in water, but a little dissolves to form a solution called lime water.
• Calcium hydroxide reacts with carbon dioxide to form calcium carbonate, which is insoluble in water. This is why carbon dioxide bubbled into lime water makes it go cloudy
• Mortar is used to hold stone or…