Purification of Water
Purification of Water: Overview
This Topic covers sub-topics such as Water Purification, Water Purification System in Water Works, Purification of Drinking Water by UV Rays, Boiling of Drinking Water, Using Alum for Water Purification and, Water Storing Tanks
Important Questions on Purification of Water
Microbes are killed in water purification system by using _____.
Which of the following method is used as germicidal in modern times for drinking water?
What is the advantage of the purification of water by UV rays?
Describe the process of purification in an aqua filter.
Can we drink water directly from the tank? Is it safe?
Sewage and other waste water of towns and cities is processed for purification before letting it into a water body to prevent _____ of water.
How the water pollution becomes a threat to the aquatic living things?
Sewage water can carry micro-organisms that spread diseases.
In this process of purification of water, bleaching powder is added.
Samir has fallen sick during the monsoon season. The doctor has advised him to drink pre-boiled, cooled and covered water because
Yash collected some water from a lake and filtered it.
Is this water now safe for drinking?
_____ gas is added to disinfect water.
Why should drinking water be chlorinated? Are there any harmful effects of using water that has been chlorinated?
The third stage in water treatment process is a
Draw a flow diagram to show the water purification system in water works.
What are the uses of the water tank?
How is water purified and supplied for drinking purposes? Explain.
In the city water supply the sequence of physical steps followed are:
Describe the steps involved in the purification of drinking water for city water supply.