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OMR-style practice · NEET UG
CHM-2026-C11-078
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CHM · CHM-2026-C11-078
Chemistry
Buffer at 298K, equal [X⁻] and [HX], Kb for X⁻ = 10⁻¹⁰. pH
A
2
B
4
C
6
D
10
Answer key pending — reference only, not scored