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Which of the following is used for stres...

Which of the following is used for stressed structure castings

A

Invar

B

Nichrome

C

Duralmin

D

Devarda's alloy

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-D - BLOCK ELEMENTS-PRACTICE EXERCISE
  1. The common metal present in German Silver, Bell metal and Brass is

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  2. The alloy containing highest percentage composition of copper is

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  3. Which of the following is used for stressed structure castings

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  4. Zinc metal is not a constituent in the alloy

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  5. Alloy used for making ball mills

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  6. Percentage of silver in the alloy of German silver

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  7. Bearings are prepared using the alloy

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  8. Zn, Cd, Hg have lowest melting points in their respective periods. Thi...

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  9. Transition element which does not show variable oxidation state is

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  10. More stable compound among the following is

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  11. The element that forms oxide with highest oxidation state

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  12. As the oxidation state of metal in metal oxide increases its acidic na...

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  13. Highest oxidation state exhibited by a lanthanide element is

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  14. Lanthanides are rare earths, but one of them is not available naturall...

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  15. The element with highest number of unpaired L electrons is

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  16. Colour exhibited by divalent Sm in aqueous solutions

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  17. Which of the following is paramagnetic ?

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  18. Compound that is both paramagnetic and coloured is

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  19. Acidic oxide is formed by the metal and oxidation state of the metal i...

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  20. In the preparation of KMnO4, pyrolusite (MnO(2)) is first converted to...

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