Question
Which of the following pairs are correctly matched? Substance/mineral Use
- Graphite electrode Vulcanization of rubber
- Limestone Smelting of iron
- Aluminium Mixing with other metals to provide strength and lightness
Answer: Option B
Answer: (b)Graphite electrode is used in melting of steel. Recently, the Indian government has imposed antidumping duty on import of graphite electrode to protect domestic industry.
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Answer: (b)Graphite electrode is used in melting of steel. Recently, the Indian government has imposed antidumping duty on import of graphite electrode to protect domestic industry.
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