The pH Scale & Neutralisation Quiz
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5 questions, one answer each
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1. Which ion is responsible for acidity in a solution?
- A. OH⁻(aq)
- B. H⁺(aq)
- C. Na⁺(aq)
- D. Cl⁻(aq)
2. What is the pH value of a neutral solution?
- A. 0
- B. 7
- C. 10
- D. 14
3. A solution has pH 3. What can you say about it?
- A. It is strongly alkaline
- B. It is neutral
- C. It is acidic
- D. It contains no ions
4. What does universal indicator allow you to estimate?
- A. The exact concentration of acid
- B. The approximate pH of a solution
- C. The temperature of a reaction
- D. The mass of a salt formed
5. What is the correct ionic equation for neutralisation?
- A. H₂O(l) → H⁺(aq) + OH⁻(aq)
- B. H⁺(aq) + OH⁻(aq) → H₂O(l)
- C. H⁺(aq) + Cl⁻(aq) → HCl(aq)
- D. Na⁺(aq) + OH⁻(aq) → NaOH(aq)