Advertisements
Advertisements
Question
Why should we not throw cooking oil and fats down the drain?
Advertisements
Solution
Cooking oil and fats should not be disposed of off down the drains as these get harden and block pipes. They reduce the flow of water and result in stagnant water, which provides a breeding ground for mosquitoes and flies and spreads infectious diseases.
APPEARS IN
RELATED QUESTIONS
What is the major source of fresh water in the city/town/village where you live?
Give reason for Silica gel pouches are kept in unused water bottle.
Name the gas produced when chlorine is dissolved in water and exposed to sunlight.
Give the molecular formula of water ?
Give reason of Icebergs float on ocean water.
Freezing mixture contains ............. and .............
.................... is the purest form of natural water.
Explain how the peculiar variation of density of water with temperature can cause water— pipes to burst in very cold places.
Explain rain water harvesting.
Water exists in all three states. Discuss.
Answer in your own words.
Why is there a shortage of water even though it occupies about 71% of the earth’s surface?
Give a reason why alcohol and water form a miscible mixture while oil & water do not.
Give the importance of dissolved minerals & salts.
Name a deliquescent substance’.
State any two sources of water pollution.
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
From where do the following usually get water? In which form is water present in them?
Clouds
In a filtration, plant water is filtered using layers of
In which one of the following state's water is present on Earth?
