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Which of the following is an exothermic ...

Which of the following is an exothermic process?

A

`O _e^- rarr O^-`

B

`O^- +e rarr O^(2-)`

C

`Be +e rarr Be^-`

D

all of the above

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The correct Answer is:
A
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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
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