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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  1998
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Q)

$_nX^m$ emitted one $\alpha$ and $2\beta$ particles, then it will become :


( A ) $_{n–1}X^{m–1}$
( B ) None
( C ) $_nZ^{m–4}$
( D ) $_nX^{m–4}$

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