UPPSC PCS 2025 · Question 107 of 150
General Knowledge
Acidic solutions have pH less than 7 , because they have a higher concentration of hydrogen ions (H⁺). Basic (alkaline) solutions have pH greater than 7 , because they have a higher concentration of hydroxide ions (OH⁻).
Source: selfstudywala.com UPPCS Prelims 2025 GS Paper 1 detailed solution (based on UPPCS official answer key)
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