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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.

  3. Indian 20-rupee coin - Wikipedia

    en.wikipedia.org/wiki/Indian_20-rupee_coin

    The new 20 rupee coin is a circle (it is 12 edged*) with a diameter of 27mm (millimeters) and weight of 8.54 grams. The outer ring is composed of 65% copper, 15% zinc and 20% nickel whereas the inner ring (centre piece) is composed of 75% copper, 20% zinc and 5% nickel. Designed with the help of students of National Institute of Design ...

  4. Indian 5-rupee coin - Wikipedia

    en.wikipedia.org/wiki/Indian_5-rupee_coin

    The Indian 5 rupee coin is a denomination of the Indian rupee. The ₹ 5 coin was the highest denominated coin in the country until the minting of the ₹ 10 in 2005. Design of the coin

  5. Hindustan Zinc - Wikipedia

    en.wikipedia.org/wiki/Hindustan_Zinc

    Hindustan Zinc Limited (HZL) is an Indian integrated mining and resources producer of zinc, lead, silver and cadmium.It is a subsidiary of Vedanta Limited. [4] Earlier it was a Central Public Sector Undertaking, sold by Government of India to Vedanta Limited when Atal Bihari Vajpayee and Bharatiya Janta Party Government was in power in the year 2003.

  6. Coins of the Indian rupee - Wikipedia

    en.wikipedia.org/wiki/Coins_of_the_Indian_rupee

    1973 Indian proof set of coins. Coins of the Indian rupee (₹) were first minted in 1950. [1] New coins have been produced annually since then and they make up a valuable aspect of the Indian currency system. Today, circulating coins exist in denominations of 1, 2, 5, 10, and 20 rupees.

  7. Indian 10-rupee coin - Wikipedia

    en.wikipedia.org/wiki/Indian_10-rupee_coin

    The Indian 10-rupee coin (₹ 10) is a denomination of the Indian rupee. The ₹10 coin is the second highest-denomination coin minted in India since its introduction in 2005. The present ₹10 coin in circulation is from the 2019 design. However, the previous ₹10 coins minted before 2019 are also legal tender in India.

  8. Rampura Agucha - Wikipedia

    en.wikipedia.org/wiki/Rampura_Agucha

    The lead and zinc concentrates are transported to the Chanderiya Smelter Complex to further refine the metals collected. [1] The Rampura Agucha mine has an ore production capacity of 6.15 lakh tonnes per year and in 2017 it was reported that the mine produced 528,459 tonnes of lead and zinc.

  9. Indian paisa - Wikipedia

    en.wikipedia.org/wiki/Indian_paisa

    The Indian paisa (plural: paise) is a 1 ⁄ 100 (one-hundredth) subdivision of the Indian rupee. The paisa was first introduced on 1 April 1957 after decimalisation of the Indian rupee. [1] In 1955, the Government of India first amended the Indian Coinage Act and adopted the "metric system for coinage".