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  1. The chemical formula of lime or quicklime is CaO. The chemical name of lime is calcium oxide. On the other hand, the chemical formula of limewater is Ca(OH) 2 and the chemical name of this substance is calcium hydroxide.

  2. Chemical Formula: Ca(OH) (Calcium hydroxide) Lime Water Test: Lime water turns milky/cloudy when carbon dioxide is passed through it, indicating the presence of carbon dioxide.

  3. Lime Water Chemical Formula. The chemical formula of lime water is \[Ca{{(OH)}_{2}}\] Equation for lime water: $CaO+{{H}_{2}}O\to Ca{{(OH)}_{2}}$ Preparation of Calcium Oxide. One of the ways to produce calcium oxide is by thermal decomposition of materials like seashells that contain calcium carbonate or limestone in a lime kiln.

  4. limewater. in A Dictionary of Chemistry (6) Length: 73 words. A saturated solution of calcium hydroxide in water. When carbon dioxide gas is bubbled through limewater, a ‘milky’ precipitate of calcium carbonate is formed:Ca (OH)2 (aq)+CO2 (g) → CaCO3 (s)+H2O (l) If the carbon dioxide continues to be bubbled through, the calcium ...

  5. Dolomitic hydrated lime (pressure) - this lime is produced from dolomitic quicklime under pressure, which results in hydrating all of the magnesium oxide as well as all of the calcium oxide, producing the following chemical composition: 40 to 42 percent calcium oxide, 29 to 30 percent

  6. lime. Reading time: 25 minutes. Lime is the most widely used reagent in water treatment applications. It is supplied in two forms: quick lime: CaO; slaked (or hydrated) lime: Ca (OH) 2. Warning: in both cases, these reagents will contain between 4 and 20% of solid impurities (CaCO 3, SiO 2 …).

  7. Lime water or milk of lime is the common name for saturated calcium hydroxide solution. Its chemical formula is Ca(OH) 2. The term is based on the mineral sense of lime, rather than the fruit sense of lime. Lime water used as a paint is called lime wash (see whitewash).

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