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Presented by Julius Lee Harrison Roque Davin Cu Nico Reyes

PRECIPITATION. Presented by Julius Lee Harrison Roque Davin Cu Nico Reyes. What is precipitation?. It is an insoluble compound either reacting two salts or changing the temperature to affect the solubility of the compound.

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Presented by Julius Lee Harrison Roque Davin Cu Nico Reyes

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  1. PRECIPITATION Presented by Julius Lee Harrison Roque Davin Cu Nico Reyes

  2. What is precipitation? • It is an insoluble compound either reacting two salts or changing the temperature to affect the solubility of the compound. • The name given to the solid that is formed as a result of a precipitation reaction. • In chemistry, a precipitate is a substance that forms out of another substance - usually a solid that precipitates out of a liquid

  3. How to form a PRECIPITATION • It forms when an insoluble compound in a solution that contains a particular cation (a positively charged ion) and it is mixed with another solution containing a particular anion (a negatively charged ion). The solid that separates is called a precipitate.

  4. What is Calcium hydroxide •  Ca(OH)2 - chemical formula • Slake lime - other name • colorless crystal or white powder. • It is prepared by reacting calcium oxide (lime) with water, a process called slaking, and is also known as hydrated lime or slaked lime.

  5. Uses of calcium hydroxide • Leather tanning industry-it removes • animal hair from hides • Petroleum industry –used as additive • Rubber and plastic industry –used as • additive and filler • Chemical and food industry –pH- • regulating agent

  6. References • http://chemistry.about.com/od/chemistryglossary/a/precipitatedef.htm • http://www.kid-friendly-homeschool-curriculum.com/5-types-of-precipitation.html#sthash.ynV6sjXg.dpuf • http://global.britannica.com/EBchecked/topic/108802/chemical-reaction/277187/Precipitation-reactions • http://www.infoplease.com/encyclopedia/science/calcium-hydroxide.html

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