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3 Questions

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Acids

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Questions and Answers

What is the pH range for acidic solutions?

0 to 6 (correct)

7 to 14

8 to 15

1 to 10

Which of the following is a strong base?

Vinegar (acetic acid)

Baking soda (sodium bicarbonate)

Lemon juice

Sodium hydroxide (NaOH) (correct)

What happens to the pH of a solution when a strong acid is added to it?

It decreases (correct)

It increases

It remains the same

It becomes neutral

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).

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Description

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.