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USHA PUBLICATION-GENERL PRINCIPAL AND PROCESS OF ISOLATION OF ELEMENTS-EXERCISE
- In which zone of the blast furance temperature is maximum ?
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- Which of the following contains highest % of carbon?
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- During smelting process of copper pyrite ore the 'matte' formed has th...
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- The flux used in the extraction of copper is
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- Bauxite ore mainly containing silica impurity is purified by
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- Which of the following is not an ore of zinc ?
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- A free state of a metal is called as its state.
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- What is gangue ?
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- In electrorefining process the impure metal is made as .
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- In Goldschmidt thermite process the reducing agent is .
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- Refining of Aluminium metal can be carried out by process.
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- What is flux ?
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- What is slag ?
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- Calcium silicate is a .
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- Flux + gangue = .
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- During extraction of Al from bauxite is added to lower the melting po...
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- Write the name and composition of two ores of copper.
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- What is the function of limestone the extraction of iron? Give equatio...
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- Sulphide ores are generally concentrated by
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- What is anode mud ?
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