Question 1
What does the acronym 'OIL RIG' stand for?
Question 2
Which of the following is the half-equation for the oxidation of magnesium?
Question 3
What is the half-equation for the oxidation of aluminium?
Question 4
What happens to a more reactive element in a displacement reaction?
Question 5
In the reaction Zn + CuSO₄ → ZnSO₄ + Cu, which element is oxidized?
Question 6
In the half-equation S + 2e⁻ → S²⁻, what process is sulfur undergoing?
Question 7
In the half-equation Al³⁺ + 3e⁻ → Al, aluminium is being:
Question 8
Which statement is true for a substance that gets reduced?
Question 9
Which of the following represents magnesium being reduced?
Question 10
When magnesium displaces iron from iron oxide, what happens to the iron?
Question 11
What process involves the loss of electrons?
Question 12
In the reaction Mg + Fe₂O₃ → MgO + Fe, which element is reduced?
Question 13
What is shown in a half-equation?
Question 14
Identify the reduced species in the reaction Zn + CuSO₄ → ZnSO₄ + Cu.
Question 15
What is the half-equation for the reduction of oxygen?