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Hydrogen peroxide is a chemical compound with the formula H 2 O 2.In its pure form, it is a very pale blue liquid that is slightly more viscous than water.It is used as an oxidizer, bleaching agent, and antiseptic, usually as a dilute solution (3%–6% by weight) in water for consumer use and in higher concentrations for industrial use.
Deforestation in Colombia's Amazon region is forecast to have declined by 25% to 35% in 2023, Environment Minister Susana Muhamad said on Monday, while warning that evidence shows that destruction ...
4K resolution refers to a horizontal display resolution of approximately 4,000 pixels. [1] Digital television and digital cinematography commonly use several different 4K resolutions. In television and consumer media, 3840 × 2160 (4K UHD) with a 16:9 aspect ratio is the dominant 4K standard, whereas the movie projection industry uses 4096 × ...
Physical properties. Pure sodium hydroxide is a colorless crystalline solid that melts at 318 °C (604 °F) without decomposition and boils at 1,388 °C (2,530 °F). It is highly soluble in water, with a lower solubility in polar solvents such as ethanol and methanol. [14] Sodium hydroxide is insoluble in ether and other non-polar solvents.
Gmail is the email service provided by Google. As of 2019, it had 1.5 billion active users worldwide, making it the largest email service in the world. [1] It also provides a webmail interface, accessible through a web browser, and is also accessible through the official mobile application. Google also supports the use of third-party email ...
One World Trade Center. / 40.71306°N 74.01333°W / 40.71306; -74.01333. One World Trade Center, also known as One World Trade, One WTC, and formerly called the Freedom Tower during initial planning stages, [note 1] is the main building of the rebuilt World Trade Center complex in Lower Manhattan, New York City.
Alexander Hamilton (January 11, 1755, or 1757 [a] – July 12, 1804) was an American military officer, statesman, and Founding Father who served as the first secretary of the treasury from 1789 to 1795 during George Washington's presidency . Born out of wedlock in Charlestown, Nevis, Hamilton was orphaned as a child and taken in by a prosperous ...
Oxygen is a chemical element; it has symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. Oxygen is the most abundant element in Earth's crust, and after hydrogen and helium, it ...