Black pepper
Black pepper (Piper nigrum) is a flowering vine in the family Piperaceae , cultivated for its fruit , which is usually dried and used as a spice and seasoning . The same fruit is also used to produce white pepper, red/pink pepper, and green pepper. Black pepper is native to South more
Acetic acid
Acetic acid, also known as ethanoic acid, is an organic chemical compound best recognized for giving vinegar its sour taste and pungent smell. Its structural formula is represented as CH3COOH. Pure, water -free acetic acid (glacial acetic acid) is a colourless liquid that attracts more
Uranium
Uranium () is a white/black metal lic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. It has 92 proton s and electron s, 6 of them valence electron s. It can have between 141 and 146 neutron s, with 143 and 146 in its most co more
Xenon
Xenon ( in the UK, in the US) is a chemical element that has the symbol Xe and atomic number 54. A colorless, heavy, odorless noble gas , xenon occurs in the earth's atmosphere in trace amounts. Although generally unreactive, xenon can undergo a few chemical reaction s such as the forma more
Raney nickel
Raney nickel () is a solid catalyst composed of fine grains of a nickel -aluminium alloy , used in many industrial processes. It was developed in 1926 by American engineer Murray Raney Raney, Murray (1927). "Method of producing Finely Divided Nickel ". US Patent 1628190, issued 19 more