Question
In which year was Hindustan Copper Limited (HCL)
established?Solution
Hindustan Copper Limited (HCL) was incorporated in 1967 under the Companies Act of 1956. As a public sector undertaking overseen by the Ministry of Mines, HCL plays a crucial role in the mining, exploration, and production of copper in India, supporting industries such as electronics and construction.
Oxidation number of Mn in KMnO₄ is
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