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A joint venture company namely Khanij Bidesh India Ltd. (KABIL) is set up with the participation of three Central Public Sector Enterprises namely, National Aluminium Company Ltd.(NALCO), Hindustan Copper Ltd.(HCL) and Mineral Exploration Company Ltd. (MECL).
The gas used for filling weather balloons is-
Milk tastes sour when kept in the open for sometimes due to the formation of-
Formation of ozone hole is maximum over
The pH of a neutral solution is —
The element used for making solar cells is
______is the process in which acids and bases react to form salts and water
A polymeric substance used to make parachute is
Which metal is extracted from seawater?
Which of the following is a physical change?
The important ore of aluminium is-