Why is there a concern about copper smelting plants? 1. They may release lethal quantities of carbon…
Why is there a concern about copper smelting plants? 1. They may release lethal quantities of carbon monoxide into environment. 2. The copper slag can cause the leaching of some heavy metals into environment. 3. They may release sulphur dioxide as a pollutant. Select the correct answer using the code given below.
1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
Solution
Copper smelting releases sulphur dioxide (a major pollutant) and produces slag that can leach heavy metals into the environment. Copper smelting is not associated with releasing lethal quantities of carbon monoxide.