Advertisements
Advertisements
प्रश्न
What do you understand by ppm?
उत्तर
ppm is parts per million, i.e. share in 1,000,000.
APPEARS IN
संबंधित प्रश्न
State the main sources and effects of carbon monoxide.
What is smog? State its damaging effects.
What is the function of ozone in the atmosphere?
Fill in the blank:
The ozone layer prevents the harmful ________ radiation of the sun to reach the earth.
What is the effect of the following pollutants on living beings?
Mercury compounds
What is the effect of the following pollutants on living beings?
Nitrogen oxide
How do you propose to control:
SOx emission
State why natural rain water produced in an unpolluted atmosphere is slightly acidic. Give a balanced equation of the same.
Give reason for the following:
Natural rain water does not have a pH of 7 [i.e. neutral]
Name or state the following:
An atmospheric pollutant produced during lightening discharge.