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Air Pollution

___________ (...

Question

___________ ( particulate matter/ freon) consists of tiny particles suspended in air.

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Solution

Particulate matter consists of tiny particles suspended in air.

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Similar questions

Q. Suspended particulate matter in the air

Q. Read the following statements regarding particulate matter and select the incorrect ones.
(i) Particulate matter (PM) consists of soot, fly ash, dust, spores, pollen grains, etc.
(ii) Particulate matter is differentiated into settle able (larger than

10

remaining in air for more than one day to several weeks) particulate matter.
(iii) SPM (suspended particulate matter) consists of aerosol, dust and mist.
(iv) Particulate matter causes respiratory diseases such as tuberculosis, allergy and many more diseases in animals and plants.
(v) According to Central Pollution Control Board (CPCB), particulate size of

2.5

or less in diameter are responsible for causing the greatest harm to human health.

Q. A rainbow is formed when tiny drops of water suspended in the air act as:

Q. Match the following.

Column A	Column B
Nitrogen	20.95%
Oxygen	CFC
Freons	Coal
Particulate matter	78.08%
Fossil fuels	Air pollution

Q. Assertion :An electrostatic precipitator (ESP) is a particulate collection device that removes dust and smoke particles from flowing air using the force of an induced electrostatic charge. Reason: An ESP is a highly efficient device as it removes 99 percent of particulate matter present in the exhaust from a thermal power plant.

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