Advertisements
Advertisements
Question
Animal waste, oil and urea are some of the organic impurities present in sewage. Name two more organic impurities present in sewage.
Advertisements
Solution
Pesticides and fruits and vegetable wastes are organic impurities present in sewage.
APPEARS IN
RELATED QUESTIONS
Why do organisms need water?
Name the two gases from which water is formed. What is the chemical composition of these two gases in water ?
Give one word for the following statement:
A mixture of common salt and ice .
Two gases found dissolved in natural water are
Answer the following question:
Why is acid added to water before electrolysis ?
Answer the following question:
What is the chemical composition of water ? Give its molecular formula.
Give balanced chemical equations to show the reaction between Coke and steam.
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:
Fused CaCl2 or conc. H2SO4 is used in a desiccator.
What are stalgmites and stalactites? How are they formed?
Compare the effect of soaps and detergents on hard water.
Answer in your own words.
Why is there a shortage of water even though it occupies about 71% of the earth’s surface?
State any two sources of water pollution.
Name or state the following:
A deliquescent salt of a trivalent metal.
Water is colourless, odourless and _______.
Total earth’s surface covered by water is
A jumbled word is given here. Write the correct form of the word.
QUIFERA
From where do the following usually get water? In which form is water present in them?
Clouds
Write any two activities which require more than a bucket of water.
