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Statement-1: Platinum and gold occur in ...

Statement-1: Platinum and gold occur in native state in nature.
Statement-:Plantinum and gold are noble metals.

A

If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are true and Reason is not the correct explanation of Assertion.

C

If Assertion is true and Reason is false.

D

If Assertion is false and Reason is true

Text Solution

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The correct Answer is:
A
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MOTION-METALLURGY-EXERCISE 3
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  3. Carnallite on electrolysis gives

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  4. Among the following statements, the incorrect one is

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  5. Match column–I and column–II and select the correct answer using the c...

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  6. Match column–I with column–II and select the correct answer using the ...

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  7. Statement-1:Sulphide ores are concentrated by froth floatation process...

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  8. Statement-1: Platinum and gold occur in native state in nature. Stat...

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  9. Statement-I : Wolframite impurities are separated from cassiterite by ...

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  10. Assertion : In smelting, roasted ore is heated with powdered coke in p...

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  11. Statement-1:Al is used as a reducing agent in aluminothermy. Stateme...

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  12. Assertion : Lead, tin and bismuth are purified by liquation method. ...

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  13. Statement-1: Wolframite impurity is separated from SnO, by magnetic se...

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  14. Ti can be purified by Van Arkel process. TiI(4) is a volatile compou...

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  15. Assertion : CuO can be reduced by C, H2 as well as Co Reason : CuO...

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  16. Assertion : Alkali metals cannot be prepared by the electrolysis of aq...

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  17. Assertion : Magnesium can be prepared by the electrolysis of aq. MgCl2...

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  18. Ti can be purified by Van Arkel process. TiI(4) is a volatile compou...

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  19. Statement-1:Magnesia and quick lime are used as basic flux. Statemen...

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  20. Statement-1:Nickel is purified by the thermal decomposition of nickel ...

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