Advertisements
Advertisements
Question
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?
Options
Soap and detergent factory
Lead battery manufacturing factory
Plastic cup manufacturing factory
Alcohol distillery
Solution
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.
APPEARS IN
RELATED QUESTIONS
Write one negative effect of affluent lifestyle of few persons on the environment.
Everyone of us can do something to reduce our personal consumption of various natural resources. List four such activities based on 3-R approach.
What are the different ways in which water gets contaminated?
What measures would you take to conserve electricity in your house?
What is a natural resource? Name three important natural resources.
The three R's which can help us to conserve natural resources for long term use are ______
List five things you have done over the last one week to −
increase the pressure on our natural resources
The pH range most conducive for the life of freshwater plants and animals is ______
Which plan has been started by the government to control the pollution of Ganga?
The government launched the ‘Ganga Action Plan’ (GAP) project in 1985. The main purpose of this project was to ______
