कोई विलयन लाल लिट्मस को नी� – McqOptions

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1.	कोई विलयन लाल लिट्मस को नीला कर देता है। इसका पी.एच मान सम्भवतः होगा -
A.	1
B.	4
C.	7
D.	10
Answer» E.

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