3 Questions
What is the pH range for acidic solutions?
0 to 6
Which of the following is a strong base?
Sodium hydroxide (NaOH)
What happens to the pH of a solution when a strong acid is added to it?
It decreases
Study Notes
Acidity and Basicity
- Acidic solutions have a pH range of less than 7.
- Strong bases are substances that completely dissociate in water to produce hydroxide ions (OH-).
- When a strong acid is added to a solution, the pH of the solution decreases (becomes more acidic).
Test your knowledge of acids, bases, and salts with this MCQ quiz designed for science class 7 students. Answer questions about the pH range for acidic solutions, identifying strong bases, and understanding the impact of adding a strong acid to a solution. Sharpen your understanding of these fundamental concepts in chemistry.
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