Multiple choice

Purifiers used in home these days have which of the following stages of purification?

  1. Filtration and adsorption

  2. Filtration, adsorption, disinfection

  3. Adsorption and disinfection

  4. Only adsorption

  5. Only disinfection

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Purifiers used in home these days have three stages of purification viz, filtration, adsorption, disinfection.