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MODERN PUBLICATION-GENERAL PRINCIPLE OF ISOLATION OF ELEMENTS-EXERCISE
- Extra pure germanium is obtained by .
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- Aluminium is obtained by :
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- Write down the composition of German silver.
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- Name any two alloys of steel.
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- Name two ores of copper.
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- Name two alloys of copper.
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- Which one is more paramagnetic: Fe^(3+) or Fe^(3+) ?
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- What is formula of green vitriol ?
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- What is formula of Mohr's salt.
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- What is % of carbon in cast iron and in steel ?
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- Copper metal obtained from Bessemer converter is known as .
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- Which is the lightest transition metal ?
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- Between CO and C , which is better reducing agent at 983 k
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- What is the cheapest and most abundant reducing agent in the extractio...
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- Name the method used for refining of Nickel metal.
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- Name the method used for the refining of copper metal.
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- The composition of 'Copper Matte' is :
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- Name two ores of copper.
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- Between zinc and copper which metal will react dilute sulphuric acid ?
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- Name the process by which sulphide ore is concentrated ?
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