alleryएक उदासीन विलयन (25°C पर शुद्ध जल) का pH मान क्या होता है?
A$7$
B$0$
C$14$
D$1$
Answer & Solution
Correct answer: A. $7$
pH 7 = उदासीन।
pH < 7 अम्लीय होता है (0 तक); pH > 7 क्षारीय होता है (14 तक)।
25°C पर शुद्ध जल का pH मान ठीक 7 होता है।
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