When hydrogen is added to lime water, the solution becomes milky. This is because it forms calcium carbonate.
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The lime water turns milky
The litmus paper will turn blue if dipped in lime water, indicating that the lime water is basic. Lime water is a solution of calcium hydroxide, which is a strong base that can turn litmus paper blue.
It reacts with water to form calcium hydroxide.
Lime water and carbon dioxide help to precipitate impurities from sugar solution which are then separated.
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Lime scale will eventually coat the inside of the kettle. Unless this layer of lime scale is regularly removed, the efficiency of the kettle to boil water fast is impaired.
Lime scale will eventually coat the inside of the kettle. Unless this layer of lime scale is regularly removed, the efficiency of the kettle to boil water fast is impaired.
The symbol for lime water is Ca(OH)2. Lime water is a saturated solution of calcium hydroxide in water.
When you slake a lime an leave it for a few months, there will be a layer of water (providing you used a sufficient amount) ontop of the slaked lime putty. this water is limewater and is clear but contains tiny particles in suspension. The putty is what we refer to as slaked lime.
When dry slaked lime reacts with chlorine gas, it forms calcium chloride, calcium hypochlorite, and water. This reaction is commonly used in water treatment processes to disinfect and purify water, as calcium hypochlorite is a powerful disinfectant.