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BEYOND PUBLICATION-PRINCIPLES OF METALLURGY-EXERCISE
- …………chemical process involves heat.
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- furnace has both furnace and hearth separated.
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- If the impurity (gangue) is acidic substance, then the flux used is
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- Correct statement among the following :
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- Extract Na from NaCl, we obtain Na at
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- Which of the following slag is formed between CaO and SiO2?
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- Which of the following matching is wrong ?
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- Which of the following step is not involved in the extraction of Ag ?
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- Chemically rust is a
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- More the H+ ion concentration increases the rate of rusting due to
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- Which of the following is the correct order of activities series ?
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- Aluminium is more reactive than Iron, but rate of corrosion in Iron is...
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- In the froth floatation process ore particles are come along with the ...
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- Which of the following metal is not available in native state ?
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- Which method is most suitable to enrich the sulphide ores ?
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- Which of the following reagent is used in the extraction of Aluminium ...
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- Why do gold and silver found in free state in nature ?
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- Which metals found iin combined state in nature ? Why ?
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- What happens when crushed particles are washed ?
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- How do the metals like zinc, iron are extracted from their ores ?
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