Equal volume of \( \mathrm{HCOOH} \) and \( \mathrm{NaOH} \) are mixed. If \( \mathrm{x} \) is t...

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Equal volume of \( \mathrm{HCOOH} \) and \( \mathrm{NaOH} \) are mixed. If \( \mathrm{x} \) is the heat of formation of water, then heat evolved of neutralization is:
(a) More than \( \mathrm{x} \)
(b) Equal to \( \mathrm{x} \)
(c) Twice of \( \mathrm{x} \)
(d) Less than \( \mathrm{x} \)
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