Potable Water

IMPORTANT

Potable Water: Overview

This topic covers concepts, such as, Treatment of Polluted Water, Filtration of Polluted Water, Chlorination of Polluted Water, Water Purification & Potable Water etc.

Important Questions on Potable Water

EASY
IMPORTANT

Sewage and other waste water of towns and cities is processed for purification before letting it into a water body to prevent _____ of water.

MEDIUM
IMPORTANT

How the water pollution becomes a threat to the aquatic living things?

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IMPORTANT

Sewage water can carry micro-organisms that spread diseases.

MEDIUM
IMPORTANT

Name the process in which the water is usually sprayed through air.

MEDIUM
IMPORTANT

In this process of purification of water, bleaching powder is added.

EASY
IMPORTANT

The water which is used for drinking purpose is known as

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IMPORTANT

Which of the following method is used to kill the germs present in water?

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IMPORTANT

Give a one-word answer for the following.

Which chemical is commonly added to disinfect water at home?

(Hint: It is recognised for its pungent, irritating odour in its gas form.)

EASY
IMPORTANT

Name the following.
Adding chlorine tablets to water. (Greasing / Galvanisation / Chlorination)

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IMPORTANT

Chlorine can kill germs present in water. 

MEDIUM
IMPORTANT

_____ gas is added to disinfect water.

MEDIUM
IMPORTANT

Why should drinking water be chlorinated? Are there any harmful effects of using water that has been chlorinated?

MEDIUM
IMPORTANT

Describe the different types of water purification before its distribution in the town.

EASY
IMPORTANT

Chlorine is added to water to kill germs.

EASY
IMPORTANT

Name this:
Insoluble floating impurities in water are removed with this process.

EASY
IMPORTANT

Adding chlorine to water to kill disease-carrying germs is called _____.

EASY
IMPORTANT

Adding chlorine to the water to kill disease germs is called _____.

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IMPORTANT

Filter paper is used in

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IMPORTANT

What is chlorination? 
 

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IMPORTANT

Germs in the water are killed by adding _____ to it.