Description : Which of the following is responsible for the formation of photochemical smog ?
Last Answer : Answer : Carbon monoxide is responsible for creating photochemical smog.
Description : The term 'brown air' is used for – (1) Acid fumes (2) Photochemical smog (3) Sulphurous smog (4) Industrial smog
Last Answer : (2) Photochemical smog Explanation: Photochemical smog which is mainly composed of ozone (O3), Peroxyacetyl nitrate (PAN) and No., is also known as brown air where solar radiation is intense. In ... solar radiation or areas, smog formation is incomplete and the air is referred to as grey air.
Description : The term ‘brown air’ is used for (1) Acid fumes (2) Photochemical smog (3) Sulphurous smog (4) Industrial smog
Last Answer : Photochemical smog
Description : Which of the following are responsible for the formation of photochemical smog ? 1. Light intensity 2. Ratio of hydrocarbons to nitric oxide 3. CO2 4. Hydrocarbon reactivity 5. SO2 (a) 1, 2, 3, 4 and 5 (b) 1, 2 and 4 only (c) 2, 3 and 4 only (d) 2, 3 and 5 only
Last Answer : (b) 1, 2 and 4 only
Description : The constituents of photochemical smog responsible for eye irritation are (A) SO2 and O3 (B) SO2 and NO2 (C) HCHO and PAN (D) SO2 and SPM
Last Answer : (C) HCHO and PAN
Description : Which of the following is produced during the formation of photochemical smog? (1) Nitrogen Oxides (2) Hydrocarbons (3) Methane (4) Ozone
Last Answer : (4) Ozone Explanation: Ozone is produced during the formation of photochemical smog. Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities.
Description : 28. Which one of the following statements regarding photochemical smog is not correct? (1) Photochemical smog does not cause irritation in eyes and throat (2) Carbon monoxide does not ... agent in character (4) Photochemical smog is formed through photochemical reaction involving solar energy.
Last Answer : Photochemical smog does not cause irritation in eyes and throat
Description : What is photochemical smog? -Biology
Last Answer : answer:
Description : Photochemical smog occurs in which climage? -General Knowledge
Last Answer : The answer is 'Auxin'
Description : What is produced during the formation of photochemical smog? -Do You Know?
Description : Photochemical smog formed in congested metropolitan cities mainly consists of :
Last Answer : Photochemical smog formed in congested metropolitan cities mainly consists of : A. Ozone, peroxyacyl nitrate ... D. Hydrocarbons, ozone and `SO_(x)`
Description : Which of the following cause photochemical smog?
Last Answer : Which of the following cause photochemical smog? A. `O_(3)` B. `CO_(2)` C. `CH_(4)` D. `SO_(2)`
Description : Common components of photochemical smog may not contain:
Last Answer : Common components of photochemical smog may not contain: A. PAN B. Ozone C. Nitrogen dioxide D. `SO_(2)`
Description : Photochemical smog consists of
Last Answer : Photochemical smog consists of A. `O_(3), SO_(2)` and hydrocarbons B. `O_(3),PAN` and `NO_(2)` ... CO_(2)` and hydrocarbons D. `SO_(2)`,PAN and smoke
Description : Primary constituents of photochemical smog are
Last Answer : Primary constituents of photochemical smog are A. `SO_(2)` and CO B. `CO_(2)` and `NO_ ... (2)` and unsaturated hydrocarbons D. Hydrocarbons and CFCs.
Description : Photochemical smog is related to the pollution of :
Last Answer : Photochemical smog is related to the pollution of : A. Air B. Water C. Soil D. Nostoc.
Description : The main component of photochemical smog is:
Last Answer : The main component of photochemical smog is: A. `O_(3)` B. PAN C. PPN and PBN D. both A and B
Description : Photochemical smog was first observed in
Last Answer : Photochemical smog was first observed in A. Los angeless B. Tokyo C. New york D. Sydney
Description : Photochemical smog brings about
Last Answer : Photochemical smog brings about A. Defoliation B. Bleaching and blazing of foliage C. Floral bud shedding D. discolouration and curling of petals.
Description : The photochemical smog is formed by
Last Answer : The photochemical smog is formed by A. Nitrogen oxides B. Hydrocarbons C. Nitrogen oxides ... Solar radiations upon nitrogen oxides and hydrocarbons.
Description : Photochemical smog does not contain
Last Answer : Photochemical smog does not contain A. Carbon dioxide B. PAN (peroxy acyl nitrate) C. Ozone D. Nitrogen dioxide
Last Answer : Photochemical smog was first observed in A. London B. Los Angeles C. Paris D. Tokyo
Description : What is produced during the formation of photochemical smog?
Last Answer : Nitrogen oxide
Description : The yellow colour in photochemical smog is due to the presence of------? A. Sulphur dioxide B. Carbon dioxide C. Nitrogen dioxide (Answer) D. CFC’s
Last Answer : C. Nitrogen dioxide (Answer)
Description : Photochemical smog pollution does not contain (a) PAN (peroxyacyl nitrate) (b) ozone (c) nitrogen dioxide (d) carbon dioxide.
Last Answer : (d) carbon dioxide.
Description : Which is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles
Last Answer : (A) Photochemical smog
Description : Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as (A) Photochemical smog (B) Peroxyacetyl nitrate (PAN) or methyl nitrite (C) Benzopyrene (D) Polyacrylonitrile
Last Answer : (B) Peroxyacetyl nitrate (PAN) or methyl nitrite
Description : Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a ‘particulate’? (A) Dust & mists (B) Smoke & fumes (C) Photochemical smog & soot (D) None of these
Last Answer : (D) None of these
Description : Which of the following is not a secondary air pollutant? (A) Ozone (B) Photochemical smog (C) Sulphur dioxide (D) All (A), (B) & (C)
Last Answer : (C) Sulphur dioxide
Description : Which of the following is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles
Description : Photochemical smog is formed from automobile exhaust (A) By reaction of hydrocarbon & nitric oxide in presence of sunlight (B) Appears only on sunny days (C) Is harmful for crops and trees also besides causing eye irritation & asthma (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog? (A) Nitrogen oxides (B) Hydrocarbons (C) Both 'a' & 'b' (D) Carbon monoxide
Last Answer : (C) Both 'a' & 'b'
Description : Which of the following factors contribute to formation of photochemical smog? 1. Stable atmosphere 2. NOx 3. Solar insolation 4. CO (a) 1, 2, 3, & 4 (b) 2, 3 & 4 only (c) 1 & 4 only (d) 1, 2 and 3 only
Last Answer : (a) 1, 2, 3, & 4
Description : Nitrous oxide, commonly called laughing gas, has been a matter of concern to environmentalists recently because: w) it is thought to cause cancer at low concentrations. x) it produces photochemical smog. y) it is a greenhouse gas. z) none of the above
Last Answer : ANSWER: Y -- IT IS A GREENHOUSE GAS.
Description : Why does the water in my washing machine turn a light reddish brown color when I add bleach?
Last Answer : I just went and experimented in my home and could not duplicate your results. So I cannot experiment and I am left to guess. My best guess would be that either: A: The bleach is reacting with the laundry ... has a mineral that reacts to the bleach. I will be curious to see if anyone has an answer.
Description : Which gas color is reddish brown ?
Last Answer : : The color of nitrogen dioxide gas is reddish brown.
Description : Which of the following best describes Chlorine? w) colorless liquid x) reddish-brown liquid y) colorless gas z) greenish-yellow gas
Last Answer : ANSWER: D -- GREENISH-YELLOW GAS
Description : Chlorine is used in swimming pools as a disinfecta In its natural, standard state it is a: w) blue liquid x) colorless crystals y) yellow-green gas z) reddish-brown gas
Last Answer : ANSWER: Y -- YELLOW-GREEN GAS
Description : Jersualem artichokes have a reddish-brown worm/caterpiller that bores into them. How do I rid myself of these?
Last Answer : Need Answer
Description : why are the leaves turning reddish brown on an eastern redbud?
Description : Evergreen bush...turning brown/reddish - why and what can be done
Description : What is this insect, reddish brown with spots down both sides, shaped like a battle
Description : my japanese kerria has reddish brown spots
Description : what is causing my eastern red cedar needles to turn reddish brown in one spot on the tree?
Last Answer : it's some kind of bug..............try sevin..........read the directions to make sure you can use it on that kind of tree.............wear gloves, goggles, long ... , you need a commercial sprayer they are available at tractor supply or another farm store. you could ask your local forrester.
Description : The reddish -brown gas formed when nitric oxide is oxidized by air is
Last Answer : The reddish -brown gas formed when nitric oxide is oxidized by air is A. `NO_(2)` B. `N_(2)O_(4)` C. `N_(2)O_(5)` D. `N_(2)O_(3)`
Description : Which of the following salts release reddish brown gas when heated in a dry test tube ?
Last Answer : Which of the following salts release reddish brown gas when heated in a dry test tube ? A. `LiNO_(3)` B. `KNO_(3)` C. `Pb(NO_(3))_(2)` D. `AgNO_(3)`
Description : Which of the following is a reddish-brown pollutant gas?
Last Answer : Which of the following is a reddish-brown pollutant gas?