RRB ALP 2013 પ્રશ્ન 25
પ્રશ્ન: $ 25^{o}C $ પર તટસ્થ દ્રાવણનું pH છે:
વિકલ્પો:
A) 0
B) 1.0
C) 7.0
D) 1.4
Show Answer
જવાબ:
સાચો જવાબ: C
BETA
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