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प्रश्न
The pH of water sample collected from a river was found to be acidic in the range of 3.5 – 4.5, on the banks of the river were several factories that were discharging effluents into the river. The effluents of which one of the following factories is the most likely cause for lowering the pH of river water?
पर्याय
Soap and detergent factory
Lead battery manufacturing factory
Plastic cup manufacturing factory
Alcohol distillery
उत्तर
Lead battery manufacturing factory
Explanation -
Lead battery manufacturing factory produces sulphuric acid as an effluent to be discharged into the river. So, this factory will most likely cause the pH of water to become acidic.
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संबंधित प्रश्न
The activities of man had adverse effects on all forms of living organisms in the biosphere. Unlimited exploitation of nature by man disturbed the delicate ecological balance between the living and non-living components of the biosphere. The unfavourable conditions created by man himself threatened the survival not only of himself but also of the entire living organisms on the mother earth. One of your classmates is an active member of 'Eco club' of your school which is creating environmental awareness amongst the school students, spreading the same in the society and also working hard for preventing environmental degradation of the surroundings
List two values exhibited by your classmate who is an active member of Eco-club of your school.
Everyone of us can do something to reduce our personal consumption of various natural resources. List four such activities based on 3-R approach.
Why does the increased level of nutrients in the water affect the survival of aquatic organisms?
State whether the following statement is true or false :
Chipko Andolan was associated with the conservation of wild animals such as tigers and lions.
What is a natural resource? Name three important natural resources.
The use of one of the following is eco-friendly. This one is :
(a) cars for transportation
(b) polybags for shopping
(c) windmills for generating power
(d) dyes for colouring clothes
The pH range most conducive for the life of freshwater plants and animals is ______
The main cause for abundant coliform bacteria in the river Ganga is
Expand the abbreviation GAP
