Oxidation And Reduction In Terms Of Electron Transfer Jamb Chemistry Past Questions
Question 1
Hydrogen can be displaced from a hot alkaline solution by
- A. Fe
- B. Cu
- C. Ca
- D. Sn
Question 2
Cu2S(s) + O2(g) = 2CU(s) + SO22(g)
- A. +1 to 0
- B. 0 to +2
- C. +2 to +1
- D. 0 to +1
Question 4
Chlorine consisting of two isotope of mass number 35 and 37 in the ratio 3:1 has an atomic mass of 35.5. Calculate the relative abundance of the isotope of mass number 37
- A. 20
- B. 25
- C. 60
- D. 75
Question 5
which of these metals CANNOT replace hydrogen from alkaline solutions?
- A. Aluminium
- B. Zinc
- C. Tin
- D. Iron
