EASY
Earn 100

What are some examples of suspended particulate matter.

Important Questions on Pollution of Air and Water

EASY

Speculate the probable causes of each of the following phenomena:

  • Insomnia, High blood pressure, partial or complete deafness
  • Decrease in the concentration of dissolved oxygen in water and floating of dead fishes
  • Dwindling populations of alligators were the result of hunting and loss of habitat,
  • Inflammation in the respiratory tract of lung
  • Decrease in the number of pollination insects 
EASY
How is SO2 an air pollutant? Clarify.
EASY
Lichens are sensitive to certain air pollutants and are often replaced by other plants. From the given options choose the best combination of sensitivity and replacement of lichens.
MEDIUM
We are surrounded by smoke. Is this situation good for our health ? Give reason.
EASY
Particulates of size pose greatest risk to human health.
HARD

An example of secondary air pollutant is

MEDIUM
Write two effects of peroxyacetyl nitrate (PAN).
HARD
By scrubbers, which of the gaseous pollutant is removed?
MEDIUM
Differentiate between primary and secondary air pollutants.
EASY
Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to
MEDIUM
The gas which traps heat 20 times more than CO2 is
EASY
Which one of the following statements is not valid for aerosols?
HARD
Briefly explain different methods used to control particulate pollutants.
MEDIUM

Consider the following statements regarding compounds which cause global warming

X is a hydrocarbon, A and B are neutral oxides of nitrogen, C is a blue coloured gas and D is released when H2S is reacted with oxygen.

Identify the correct statements about X, A, B, C and D.
(I) X is mainly present in natural gas
(II) In A and B one is diamagnetic and another one is paramagnetic
(III) C can be identified by using liquid element in d-block
(IV) D causes acid rain.

HARD
What are particulates? What are their sources?
EASY
SO 2 is considered as an air pollutant because
MEDIUM

Which of the following set represent the effect of noise pollution on human health?

HARD
What are the harmful effects of particulate pollutants? List atleast five of them.