pH मान 7 किसका सूचक है?

उत्तर: (C) उदासीन / NeutralpH 7 = neutral (pure water). pH < 7 = acidic, pH > 7 = basic/alkaline. pH scale ranges from 0-14. Human blood pH is 7.35-7.45 (slightly basic). Stomach acid pH is about 1.5-2 (strongly acidic).

Level 2Easy
pH मान 7 किसका सूचक है?
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