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Define petroleum.
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What is percentage of nitrogen in urea?
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How many stages are involved in formation of urea?
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What happens when ammonium carbonate is heated with steam?
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Give the advantages of Solvay's Process.
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Give the reaction of formation of ammonia in the process.
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How CO2 is prepared in the Solvay's process?
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Which raw materials are required for the formation of sodium carbonate?
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Why only NaHCO3 precipitates when CO2 is passed through the ammonical brine?
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What do you mean by anode mud?
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Why anode is eaten up in electro-refining process?
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What is blister copper?
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What is difference between slag and matte?
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How slag and matte are removed from the blast furnace?
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Why lime is added in the smelting process?
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Differentiate between minerals and ores.
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Why a small amount of coke is required in the smelting process?
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Define concentration process used in metallurgy of copper.
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Explain the reasons for considering water a universal solvent.
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