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There is metal oxide on a tool. The tool...

There is metal oxide on a tool. The tool is made with

A

wood

B

gold

C

iron

D

steel

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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
  1. What will happen if cinnabar heats ?

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  2. What will happen if a stainless steel rod placed in moisture air ?

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  3. There is metal oxide on a tool. The tool is made with

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  4. Two test tubes. 'A' and 'B' contains iron nails. In 'A' test tube iron...

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  5. Extract Na from NaCl, we obtain Na at

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  6. i) Bauxite (Al2O3 * 2H2O) ii) Copper iron pyrites (CuFeS2) iii) Gypsum...

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  7. Which of the following is not a mineral for iron metal ?

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  8. Which of the following undergoes an auto (self) reduction ? i) PbO i...

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  9. The process in which the ore is mixed with flux and fuel and strongly ...

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  10. Which of the following is not used to purification of a metal ?

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  11. Which of the following metal is low reactivity metal ?

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  12. Which of the following method is used for purification of Zinc ?

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  13. Name few highly reactive metals, which are never found in nature in fr...

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  14. Which of the following is the correct formula of gypsum?

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  15. Which of the following is not sulphide ore ?

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  16. In which of the following method a stream of water is used ?

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  17. Which of the following is a chemical method ?

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  18. Which of the following is wrong about poling ?

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  19. Which of the following is the correct order of activities series ?

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  20. Which of the following metal is not available in native state ?

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