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Name one substance, which acts as a flux...

Name one substance, which acts as a flux.

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Silica (`SiO_(2)` ) acts as a flux.
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ARIHANT PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -ODISHA BUREAU.S TEXTBOOK SOLUTIONS (Very Short Answer Type Questions)
  1. Name an important ore of copper.

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  2. What method is employed to concentrate a sulphide ore?

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  3. Name one substance, which acts as a flux.

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  4. For a transition metal oxide, name one effective reducing agent.

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  5. Name a metal which can be extracted by electrolytic reduction. (Na, Cu...

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  6. What is formed when a flux reacts with a gangue material?

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  7. Can a mineral be termed as an ore?

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  8. The oxides of the metals are...

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  9. What is slag ? Give an example of it.

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  10. Distinguish between mineral and ore.

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  11. What happens to the ore during roasting?

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  12. What is difference between calcination and roasting ?

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  13. What do you understand by 'carbon-reduction' in metallurgy? Give an ex...

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  14. What type of metals are extracted electrolytically?

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  15. What is the compound formed from the reaction of calcium oxide and sil...

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  16. Metal are ductile. The statement means that metal can be

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  17. Which of the following is a constituent of slag ?

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  18. The impurity in a mineral is called …………

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  19. Name two elements that occur in the nature in the native state.

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  20. What is the method of concentrating iron pyrite ore?

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