Metal reactivity and displacement Quiz
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5 questions, one answer each
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1. Which metal reacts with cold water to give a lilac flame?
- A. Calcium
- B. Potassium
- C. Magnesium
- D. Zinc
2. Which pair of substances will react?
- A. Copper and zinc sulfate solution
- B. Silver and copper(II) sulfate solution
- C. Magnesium and copper(II) sulfate solution
- D. Gold and iron(II) sulfate solution
3. What are the products when zinc reacts with dilute sulfuric acid?
- A. Zinc oxide and water
- B. Zinc hydroxide and hydrogen
- C. Zinc sulfate and oxygen
- D. Zinc sulfate and hydrogen
4. In Fe + CuSO₄ → FeSO₄ + Cu, which substance is reduced?
- A. Copper(II) ions
- B. Iron
- C. Sulfate ions
- D. Iron(II) ions
5. A student places metal X in a solution of the sulfate of metal Y and nothing happens. What can be concluded?
- A. X is more reactive than Y
- B. X is less reactive than Y
- C. X and Y are the same metal
- D. X is a non-metal