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Understanding pH Scale: Class 10 Chemistry
Hey Students!
Are you struggling to grasp the pH scale concept in Class 10 Chemistry? Edustunt Tuition Centre is here to help!
What is pH?
pH (Potential of Hydrogen) measures the concentration of hydrogen ions in a solution.
pH Scale:
The pH scale ranges from 0 to 14.
- pH 0-1: Strongly acidic - pH 2-3: Acidic - pH 4-5: Weakly acidic - pH 6-7: Neutral - pH 8-9: Weakly basic - pH 10-12: Basic - pH 13-14: Strongly basic
Key Concepts:
- Strong acids (HCl, HNO3) have low pH - Strong bases (NaOH, KOH) have high pH - Neutral solutions (water) have pH 7 - pH changes with concentration and temperature
Importance of pH Scale:
- Environmental monitoring (water, soil) - Industrial applications (chemical manufacturing) - Biological processes (human body pH)
Tips to Remember:
- pH = -log[H+] - pH + pOH = 14 - Strong acids/bases completely dissociate
Practice Questions:
1. What is the pH of a solution with [H+] = 0.01 M? 2. Calculate the pH of a solution with pOH = 4.
Join Edustunt Tuition Centre's Class 10 Chemistry classes to master pH scale and more!
Visit: V.P.O. Possi, Tehsil- Garshankar, Hoshiarpur, Punjab
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