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ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
- Which is the second most abundant element in the earth crust?
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- Name three metals which occur in the native state in nature.
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- What is malachite?
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- Why do some metals occurs in the native state?
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- What is metallurgy?
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- What are minerals?
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- What is an ore?
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- What is gangue (or matrix)?
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- What is flux? What is the role of flux in the metallurgy of iron and c...
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- What is slag?
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- Name any two acidic fluxes.
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- Distinguish between calcination and roasting.
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- What is leaching?
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- Name any two basic fluxes.
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- How is 'cast iron' different from pig iron?
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- What is the actual reducing agent of haematite in blast furnace?
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- Name the metal used for making electric cables.
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- In which mineral iron (II) iron (III) oxide occur?
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- What is Gibbs Helmholtz equation?
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- What happens when argentite ore is treated with dilute solutions of so...
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