Domestic water treatment is carried out under __________ conditions.

domestic-water-treatment-is-carried-out-under-conditions

Domestic water treatment is carried out under __________ conditions.

A. Aerobic

B. Anaerobic

C. Cannot be known

D. Depends on the pollution level of water

I got this question during a job interview.

I’m obligated to ask this question of Methods of Reducing Water Pollution in chapter Water of Applied Chemistry

Correct answer is A. Aerobic

Best explanation: Domestic water treatment is carried out in presence of the oxygen. The oxygen is taken from the water. So, it is aerobic process.