Photochemical smog, Science

Assignment Help:

Photochemical Smog:

Photochemical  smog, a  secondary Pollutant,  results when  the two pollutants, nitrogen  oxide and hydrocarbons  found  in  automobile exhausts, react with  one another  in the presence of  sunlight to produce  nitrogen  dioxide (N02), ozone (03) and a  compound called  PAN (Peroxylacetyl nitrate), which  then appear as a yellowish  brown  haze.  Breathing ozone affects  the respiratory and nervous  system. It causes respiratory  distress, affects eye membranes and stimulates tears. It also causes headache. Ozone also damages rubber  articles, textiles and discolours paintings. It has been  recently found  that smog is harmful  to timber.  PAN is especially damaging to plants.  Plants exposed  to PAN exhibit  leaf mottling  and  


Related Discussions:- Photochemical smog

Radiation hazards, RADIATION HAZARDS : We are sure that you would have st...

RADIATION HAZARDS : We are sure that you would have studied about electromagnetic radiation during your studies at the school. You would recall that in electromagnetic radiatio

Experiments with man in space, Experiments with man in space: We have a...

Experiments with man in space: We have already discussed  the usefulness of space  flights in Blocks 3&4. One is able to make astronomical observations from satellites; get met

Fire blankets-water extinguishers, Fire Blankets :  We have already discus...

Fire Blankets :  We have already discussed the use of fire blankets, but it is worth noting that fire blankets are now made of glass fibre instead of asbestos, and that they are u

Physico-chemical properties of folic acid, Folic acid has the following imp...

Folic acid has the following important physico-chemical properties: a)  It is a yellow, spear-shaped crystalline  substance. b)  The compound is sparingly soluble in water.

Mars, Mars- the  Red  Planet   After Venus, Mars  is our closest neighbo...

Mars- the  Red  Planet   After Venus, Mars  is our closest neighbour. It seems very earth-like. There are ice-caps on its poles, drifting white clouds and raging dust storms in

Requirements earthing in an appliance, Requirements Cell holder - 1 ...

Requirements Cell holder - 1 Bulb holder - 1 Wire - 1 Bulb (2.0 V) - 1 Cells (1.5 V) - 2 Plug (6/ 16 A) - 1 Screw driver - 1 Crocodile clips - 4 pair

Moisture comes from other plants, Moisture comes from other plants Secu...

Moisture comes from other plants Secure a flower pot which has some bean or pea seedlings that are 10 or 15 cm in height. Cover the top of the pot with cellophane or sheet rubb

Soil pollution, Soil Pollution: The problem of soil pollution is rapi...

Soil Pollution: The problem of soil pollution is rapidly increasing in  the rural, urban and industrial areas due to unscientific and irrational disposal of solid wastes gene

Why do organisms need water, Why do organisms need water? Organisms need...

Why do organisms need water? Organisms need water for the following reasons: (i) All cellular processes need water as a medium. Usually, the reactions that take place in our

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd