Assertion :Separation of isotope is possible because of the difference in electron numbers of isotope. Reason: Isotope of an element can be separated by using a mass spectrometer.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Reason is correct but Assertion is incorrect

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Solution

The correct option is D Reason is correct but Assertion is incorrect
The isotope of an element can be separated by using a mass spectrometer because isotopes have different atomic mass.

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