Advertisements
Advertisements
Question
Which of the following is waste water?
Options
Water trickling from a damaged tap
Water coming out of a shower
Water flowing in a river
Water coming out of laundry.
Advertisements
Solution
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
RELATED QUESTIONS
Why is water very precious for all living being ?
Give reason On opening a bottle of a cold drink, a fizz sound is heard.
Give balanced chemical equation for the reaction of water with Sodium .
Name the gas produced when a piece of calcium is added to water.
Give reason of Alcohol is mixed with water and is used in car radiator.
Which property of water enables it to modify the climate?
Explain why:
Fused CaCl2 or conc. H2SO4 is used in a desiccator.
What are stalgmites and stalactites? How are they formed?
Why is it said that seawater is useful even though it is not potable?
Give the importance of dissolved minerals & salts.
Select the correct answer of the following statement:
A solution which can pass through a filter paper but not through a semipermeable membrane.
Give a balanced equation for the following conversion:
Potassium oxide to a strong alkali.
Household detergents contain mainly ______ and pollute water bodies.
Name a deliquescent substance’.
Total earth’s surface covered by water is
Match Column I with Column II
| Column I | Column II | ||
| (a) | Ground water | (i) | Solid form of water |
| (b) | Bawri | (ii) | Wastage of water |
| (c) | Snow | (iii) | Water management |
| (d) | Drip irrigation | (iv) | Small water |
| (e) | Leaking taps | (v) | Water table |
A jumbled word is given here. Write the correct form of the word.
CHARREGE
Why should we not throw used tea leaves into sink?
Write any two activities which require less than one bucket of water.
