Water Pollutants
Trending Questions
Q.
Define pollution
Q. Presence of _______ in water bodies causes excessive growth of algae in water.
- methane
- DDT
- CNT
- coal
Q.
The water suitable for drinking is called
Drinking water
Potable water
Both (a) and (b)
None of these
Q.
Drains can be used to divert rainwater off the roads and pavements.
False
True
Q.
Which of the following is present in the wastewater?
Human waste
Food scraps
Chemicals
All of these
Q. Is it possible to classify sewage based on smell and colour? If so name them. [3 MARKS]
Q. Water can be tested for pollution using :
- paper chromatography
- thin layer chromatography
- liquid chromatography
- gas chromatography
Q. any difference b/w antiseptic and disinfectants
Q.
Untreated sewage contaminates Ganga because
it contains micro-organisms
it lowers the pressure of water
it increases the buoyancy of water
it makes the water dense
Q. __________is the correct set up to pass CO2 through lime water.
