Electrolysis Jamb Chemistry Past Questions
Question 1
The densities of two gases, X and Y are 0.5gdm-3 and 2.0gdm-3 respectively. What is the rate of diffusion of X relative to Y?
- A. 0.1
- B. 0.5
- C. 2.0
- D. 4.0
Question 2
What happens when the nitrates of potassium, calcium, zinc and copper are separately heated?
- A. All the nitrate will decompose to their respective metals
- B. The nitrates of calcium and potassium will decomposes to their nitrites
- C. Only copper nitrate decomposes to the metal
- D. Only the nitrates of zinc and copper will decompose to their oxides
- E. The nitrates of calcium, zinc and copper decompose to their oxides
