Advertisements
Advertisements
प्रश्न
Which of the following is waste water?
पर्याय
Water trickling from a damaged tap
Water coming out of a shower
Water flowing in a river
Water coming out of laundry.
Advertisements
उत्तर
Water coming out of laundry
Explanation:
Water discharged during daily chores-like washing clothes, flushing toilets, washing dishes, bathing etc., becomes dirty. This dirty water is called wastewater. Water trickling from a damaged tap, water coming out of a shower and water flowing in a river are not dirty and hence it is not wastewater.
APPEARS IN
संबंधित प्रश्न
What is the major source of fresh water in the city/town/village where you live?
State the importance of water cycle in nature.
Give balanced chemical equation for the reaction of water with Iron .
Name the gas produced when chlorine is dissolved in water and exposed to sunlight.
Use of excessive .................... by farmers causes water pollution.
Give any three important uses of water.
State whether the given statement are true or false. If true, write the reason.
Ganga−Brahmaputra plain of India is an overpopulated region.
Explain why:
Water is an excellent liquid to use in cooling systems.
What do you understand by soft water?
The water in a lake is called ground water.
Give the importance of dissolved air – in water.
Give a balanced equation for the following conversion:
Calcium sulphate in permanent hard water to calcium carbonate using sodium carbonate.
What is meant by the term ‘offshore drilling’. State the main environmental effects of offshore drilling.
Explain any two environmental impacts of an ‘oil spill’.
Give a reason for the following:
Efflorescence is minimum during humid conditions.
Sea water can be used for irrigation as such.
Total earth’s surface covered by water is
Think and suggest some ways to minimise waste and pollutants at their source, taking your home as an example.
In which one of the following state's water is present on Earth?
Dissolve two spoons of common salt in half a cup of water. Now if you want to get the salt back, what will you do?
