\( \mathrm{pH} \) values of \( \mathrm{HCl} \) and \( \mathrm{NaOH} \) solutions each of strengt...

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\( \mathrm{pH} \) values of \( \mathrm{HCl} \) and \( \mathrm{NaOH} \) solutions each of strength \( \frac{N}{100} \) will be respectively:
[MPPIIT 1999]
(a) 2 and 2
(b) 2 and 12
(c) 12 and 2
(d) 2 and 10
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