Anil and Roshan went to a restaurant to have dinner. Anil picked up the glass of water to drink but he immediately kept it back. He said, “The water was not fit for drinking.” Based on the above information answer the questions that follow: (𝒊)What could be the reason of it? (𝒊𝒊) How could have been the water made fit for drinking? Name the process. (𝒊𝒊𝒊) Which values are promoted by the restaurant people here?

(𝑖) Heavy suspended particles might be floating in the water served for drinking.

(𝑖𝑖) Water could have been made fit for drinking by adding alum to the water. The heavy particles of dissolved alum deposit on the finer suspended particles. The suspended particles become heavy and settle down at the bottom of the tank. This process is known as sedimentation.

(𝑖𝑖𝑖) Ignorance, carelessness, unhygienic conditions.

Leave a Reply