1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VIII
Chemistry
Air Pollution
___________ (...
Question
___________ ( particulate matter/ freon) consists of tiny particles suspended in air.
Open in App
Solution
Particulate matter consists of tiny
particles suspended in air.
Suggest Corrections
0
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.
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Introduction to Air Pollution
CHEMISTRY
Watch in App
Explore more
Air Pollution
Standard VIII Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app