Environmental Pollution Jamb Chemistry Past Questions
Question 1
The pollutant that contributes to the depletion of the ozone layer is
- A. CFCs
- B. NO2
- C. SO2
- D. CO
Question 2
The radioisotope used in industrial radiography for the rapid checking of faults in welds and casting is
- A. Phosphorus-32
- B. Cobalt-60
- C. Carbon-14
- D. Iodine-131
Question 3
The constituent of air necessary in the rusting process are
- A. O2 and H2O
- B. Ar and CO2
- C. CO2 and H2O
- D. O2 and CO2
Question 4
What technique is suitable for separating a binary solution of potassium chloride and potassium trioxochlorate (V)?
- A. Fractional crystallization
- B. Fractional distillation
- C. Filtration
- D. Evaporation
