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Gross domestic product (GDP) is the market value of all final goods and services from a nation in a given year. [ 2 ] Countries are sorted by nominal GDP estimates from financial and statistical institutions, which are calculated at market or government official exchange rates. Nominal GDP does not take into account differences in the cost of ...
As of 2020, the most expensive non- synthetic element by both mass and volume is rhodium. It is followed by caesium, iridium and palladium by mass and iridium, gold and platinum by volume. Carbon in the form of diamond can be more expensive than rhodium. Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars.
A gold reserve is the gold held by a national central bank, intended mainly as a guarantee to redeem promises to pay depositors, note holders (e.g. paper money ), or trading peers, during the eras of the gold standard, and also as a store of value, or to support the value of the national currency . The World Gold Council estimates that all the ...
Gold is attacked by and dissolves in alkaline solutions of potassium or sodium cyanide, to form the salt gold cyanide—a technique that has been used in extracting metallic gold from ores in the cyanide process. Gold cyanide is the electrolyte used in commercial electroplating of gold onto base metals and electroforming.
The Indian rupee ( symbol: ₹; code: INR) is the official currency in India. The rupee is subdivided into 100 paise ( Hindi plural; singular: paisa ). The issuance of the currency is controlled by the Reserve Bank of India.
These included ₹1/2 , ₹1/4 , 2 anna, 1 anna, 1/2 anna & 1 pice coins, and are referred to as the anna series or pre-decimal coinage. Under the anna series, one rupee was divided into 16 annas or 64 pice, with each anna equal to 4 pice. In 1957, India shifted to the decimal system, though for a short period of time, both decimal and non ...
Gold double eagle ($20 coin), 1907. Though the dollar came under the gold standard de jure only after 1900, the bimetallic era was ended de facto when the Coinage Act of 1873 suspended the minting of the standard silver dollar of 412.5 Troy grains = 26.73 g; 0.859 ozt, the only fully legal tender coin that individuals could convert bullion into ...
India has substantially reduced its rate of poverty, though at the cost of increasing economic inequality. [66] India is a nuclear-weapon state, which ranks high in military expenditure. It has disputes over Kashmir with its neighbours, Pakistan and China, unresolved since the mid-20th century. [67]