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Calcium is obtained by the...

Calcium is obtained by the

A

roasting of limestone

B

electrolysis of solution of calcium chloride in `H_(2)O`

C

electrolysis of molten anhydrous calcium chloride

D

reduction of calcium chloride with carbon

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The correct Answer is:
C
Calcium is obtained by electrolysis of molten anhydrous calcium chloride
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-METALLURGICAL OPERATIONS -MCQ
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  2. In the exteraction of copper from its sulphide ore, the metal is fanal...

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  3. Roasting of sulphides gives the gas X as a by product. This is a colou...

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  4. Aluminum is exteracted from alumine AI(2)O(3) by electrolysis of a m...

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  5. Which of the following is not a mineral of iron?

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  6. In the exteraction of copper from its sulphide ore, the metal is fanal...

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  7. which of the following electronts is present as the impurity to the m...

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  8. Which of the following pairs of metals uis purified by van arkel meth...

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  9. Sulphide ores of metals are usually concentrated by forth floation pro...

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  10. Which of the following srtatement above the advantage of masting of su...

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  11. A solid compound 'X' on heating gives CO(2) gas and a residue. The res...

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  12. The method of zone refining of metals is based on the principle of :

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  13. Cassiterite is an ore of

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  14. Purification of aluminum by electroysic refiering is known as

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  15. Which one of the following is the major impurity in pig iron?

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  16. Calcium is obtained by the

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  17. Elemental Si in to be used as a semicondictor is parified by

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  18. Calgon used as water softener is

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  19. Which of the following evolve hydrogen on reacting with cold dilute ni...

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  20. The reaction of H(2)O(2) with hydrogen sulphide is an example of ………… ...

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