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Which of the following is used ot make m...

Which of the following is used ot make magnetic tapes for use in audio recording?

A

`CuO_(2)`

B

`CoO_(2)`

C

`CmO_(2)`

D

`CrO_(2)`

Text Solution

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The correct Answer is:
4
`CrO_(2)`a ferromagnetic material is the oxide used to make magnetic tapes for use in audio recording.
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