Back to quiz

6. When does a reaction occur.

  • When the metal being added is lower in the reactivity series than the metal in the salt.
  • When the metal being added is higher in the reactivity series than the metal in the salt.
  • When the metal being added is in the same group as the metal in the salt.

7. What is a displacement reaction?

  • It is when a metal is displaced from a salt solution.
  • It is when a metal is added to a salt solution.
  • It is when a metal reacts with a salt solution.

8. Which Metals react quickly with cold water, dilute acids and oxygen?

  • Potassium, Sodium, Calcium
  • Magnesium, Sodium, Potassium
  • Sodium, Magnesium, Aluminium

9. What is reduction?

  • The sharing of electrons
  • The gain of electrons
  • The loss of electrons

10. When magnesium reacts with steam what does it produce?

  • A metal oxide and water
  • A metal oxide and hydrogen.
  • A salt and water