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Which of the following alloys is used fo...

Which of the following alloys is used for making magnet for hearing Aids?

A

Invar

B

Monel metal

C

Alnico

D

German silver

Text Solution

Verified by Experts

The correct Answer is:
A

Invar is an alloy of Fe/Ni
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KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2001-Chemistry
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  5. Which one of the following metallic hydroxide does not dissolve in sod...

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  7. The solubility product of a binary weak electrolyte is 4 xx 10^(-10) "...

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  9. A radioactive isotope having a half life of 2.3 days was received afte...

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  11. At what temperature will the RMS velocity of SO(2) be the same as that...

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  15. The volume of water to be added to 100 cm^(3) of 0.5N H(2)SO(4) to get...

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  16. To calculate the amount of work done in Joules during reversible isoth...

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  18. The enthalpy of combustion of C(6)H(6 (l)) is -3250kJ. When 0.39 g of ...

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  19. In an adiabatic expansion of an ideal gas

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