आरआरबी एएलपी 2013 प्रश्न 25
प्रश्न: $ 25^{o}C $ येथे तटस्थ द्रावणाचे pH मूल्य किती असते?
पर्याय:
A) 0
B) 1.0
C) 7.0
D) 1.4
Show Answer
उत्तर:
योग्य उत्तर: C
BETA
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