If the pH value is greater than 7, what is the nature of the solution?
Answer and explanation
Correct answer: Basic
The pH scale describes the acidic or basic nature of an aqueous solution. A pH of 7 is conventionally neutral at about room temperature, while values greater than 7 indicate a lower hydrogen-ion concentration and a higher relative hydroxide-ion concentration. Therefore, the solution is basic, so option B is correct. Acidic means pH below 7, neutral means pH 7, and “salt-free” is not a pH classification.
Frequently asked questions
What is the correct answer to this question?
Basic
Why is this the correct answer?
The pH scale describes the acidic or basic nature of an aqueous solution. A pH of 7 is conventionally neutral at about room temperature, while values greater than 7 indicate a lower hydrogen-ion concentration and a higher relative hydroxide-ion concentration. Therefore, the solution is basic, so option B is correct. Acidic means pH below 7, neutral means pH 7, and “salt-free” is not a pH classification.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
