How does pH affect plant growth?
The pH scale measures the concentration of hydrogen ions (H⁺) in a solution, determining whether the solution is acidic, neutral, or basic.
What is the pH of pure water?
Pure water has a pH of 7, which is neutral.
How does a universal indicator work?
A universal indicator changes color depending on the pH of the solution, providing a visual way to determine whether the solution is acidic, neutral, or basic.
What is the pH of a strong acid?
Strong acids have a pH close to 0 (e.g., hydrochloric acid).
What does the pH scale measure?
The pH scale measures the concentration of hydrogen ions (H⁺) in a solution, determining whether the solution is acidic, neutral, or basic.
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