Pollution Control Disposal of Waste


 
 
Concept Explanation
 

Pollution Control Disposal of Waste

Treatment of Industrial Waste

The treatment of industrial waste depends upon the nature of the pollutants present. The chemical substances present in the industrial waste dissolved in water can be precipitated by suitable chemicals and removed from water.

Laws for industrial units should be strictly implemented and enforced so that polluted water is not disposed off directly into rivers and lakes. Water treatment plants should be installed in all industrial areas.

a) Industrial wastes should be recycled,

b) Proper toilet facilities should be provided to rural people.

c)  Organic fertilisers and pesticides should be used.

d) Water treatment plants should be installed in every city to facilitate extraction and elimination of pollutants from water.

e) Bathing, washing of clothes and utensils should be restricted near water bodies.

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Sample Questions
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Question : 1

How can we reduce water pollution ?

Right Option : D
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Question : 2

Poor sanitatiuon and contaminated drinking water is a cause of large number of diseases. To improve sanitation, low cost on-site sewage disposal systems are being encouraged. Untreated human excreta is a health hazard because it may cause ________________________

Right Option : C
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Question : 3

Which of the following are correct :

(a) Do not throw cooking oil in the drain. It hardens and blocks the pipes of sewerage system.

(b) Do not throw solids like, leaves, cotton, polythene bags etc. in the drains. These choke the drains.

(c) Use low capacity flushes in toilets to reduce water tank is flushed down toilets.

Right Option : D
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