Acid-Base Reactions Quiz

1. What is the primary concept of an acid-base reaction?

Choose an answer A) Transfer of electrons B) Transfer of neutrons C) Transfer of protons (H⁺ ions) D) Transfer of oxygen

2. Who first introduced the concept of acids and bases involving the transfer of protons?

Choose an answer A) Marie Curie B) Albert Einstein C) Svante Arrhenius D) Dmitri Mendeleev

3. Which of the following is a common acid found in stomach acid?

Choose an answer A) Hydrochloric Acid (HCl) B) Sulphuric Acid (H₂SO₄) C) Acetic Acid (CH₃COOH) D) Sodium Hydroxide (NaOH)

4. Which common base is used in soap making and as a drain cleaner?

Choose an answer A) Ammonia (NH₃) B) Sodium Hydroxide (NaOH) C) Calcium Hydroxide (Ca(OH)₂) D) Hydrochloric Acid (HCl)

5. What does a pH of 7 indicate?

Choose an answer A) Acidity B) Neutrality C) Basicity D) High acidity

6. What are the products of an acid-base neutralization reaction?

Choose an answer A) Acid and base B) Water and hydrogen gas C) Water and salt D) Base and salt

7. What role do buffers play in chemical systems?

Choose an answer A) Increase acidity B) Resist changes in pH C) Increase basicity D) Neutralize acids

8. Which acid is found in vinegar?

Choose an answer A) Hydrochloric Acid (HCl) B) Sulphuric Acid (H₂SO₄) C) Acetic Acid (CH₃COOH) D) Sodium Hydroxide (NaOH)

9. What is a common use of calcium hydroxide (Ca(OH)₂)?

Choose an answer A) Used in soap making B) Found in stomach acid C) Used in construction for making mortar and plaster D) Common in household cleaning products

10. What is the pH range of the pH scale?

Choose an answer A) 0 to 7 B) 7 to 14 C) 0 to 14 D) -7 to 7

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