Advertisements
Advertisements
प्रश्न
Give reason for the following:
Natural rain water does not have a pH of 7 [i.e. neutral]
उत्तर
Natural rain water is acidic in nature due to acid gases dissolved and is not neutral i.e. pH of 7.
APPEARS IN
संबंधित प्रश्न
Name the compounds of sulphur that cause air pollution. Also, state the harmful effects of sulphur compounds.
Give the mechanism of the action of carbon monoxide.
State the sources and effects of the following gas:
Methane
State the effects of greenhouse gases on the atmosphere.
Explain the effect of sulphur dioxide on the atmosphere.
Fill in the blank:
Ozone depletion is mainly caused by the active __________ atoms generated from CFC in the presence of UV radiation.
Select the correct answer:
Inhalation of air polluted with carbon monoxide is dangerous because:
What is the effect of the following pollutants on living beings?
Fluorides
What is the effect of the following pollutants on living beings?
Lead
The diagram represents the green house effect.
State an advantage of use of C.N.G. over combustion of fossil fuels.
