Search results
Results from the WOW.Com Content Network
Chemical structure of phenolphthalein, a common phthalein dye. Phthalein dyes are a class of dyes mainly used as pH indicators, due to their ability to change colors depending on pH. [1] They are formed by the reaction of phthalic anhydride with various phenols. They are a subclass of triarylmethane dyes. Common phthalein dyes include ...
This is a timeline of Philippine history, comprising important legal and territorial changes and political events in the Philippines and its predecessor states. To read about the background to these events, see history of the Philippines .
The economy saw continuous real GDP growth of at least 5% since 2012. The Philippine Stock Exchange index ended 2012 with 5,812.73 points a 32.95% growth from the 4,371.96-finish in 2011. [80] The Philippines achieved an investment grade rating for the first time in the first quarter of 2013.
The Laurel–Langley Agreement was a trade agreement signed in December 15, 1954 [1] [2]: 43 between the United States and its former colony the Philippines. It was signed by Senator Jose P. Laurel and James Langley. [2]: 43 The agreement took effect in 1955 after approval from both Philippine Congress and U.S. Congress. [1]
History of transportation in the Philippines (2 C, 1 P) Pages in category "Economic history of the Philippines" The following 23 pages are in this category, out of 23 total.
Phenolphthalein (/ f ɛ ˈ n ɒ l (f) θ ə l iː n / [citation needed] feh-NOL(F)-thə-leen) is a chemical compound with the formula C 20 H 14 O 4 and is often written as "HIn", "HPh", "phph" or simply "Ph" in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations.
Philippine Phosphate Fertilizer Corporation (PhilPhos) is a fertilizer company based in Makati, Metro Manila [1] which is partly-owned by the government of Nauru. Its headquarters is located at the Pacific Star Building [ 1 ] which was also built by the Nauru government.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more