What is the value of moderate level of pH of electrolyte used?

1.	What is the value of moderate level of pH of electrolyte used?
A.	1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2
B.	2 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 4
C.	4 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 10
D.	All of the mentioned
Answer» D. All of the mentioned

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