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 : 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 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 : Photo chemical smog is a result-ant of the reaction among – (1) High concentration of NO2, O3, and CO in the evening (2) CO, CO2 and NO2 at low temperature (3) CO, O2 and peroxy acetyl nitrate in the presence of Sunlight (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight
Last Answer : (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight Explanation: Photochemical smog is a unique type of air pollution which is caused by reactions between sunlight and pollutants like hydrocarbons and nitrogen dioxide (NO and NO2).
Description : The smog in cities in India mainly consists of (A) Oxides Of sulphur (B) Oxides of nitrogen and unburnt hydrocarbons (C) Carbon monoxide and SPM (D) Oxides of sulphur and ozone
Last Answer : (B) Oxides of nitrogen and unburnt hydrocarbons
Description : Interveinal necrotic spots on leaves appear due to – (1) HF injuly (2) SO2 injury (3) NO2 injury (4) O3 injury
Last Answer : (2) SO2 injury Explanation: Injury caused by sulphur oxides show interveinal necrotic areas that are light tan to white. Uninjured tissue new to the veins remains green.
Description : Acid rain is caused by increase in the atmospheric concentration of (a) CO2 and CO (b) O3 and dust (c) SO2 and NO2 (d) SO3 and CO.
Last Answer : (c) SO2 and NO2
Description : Lichens indicate pollution by a) O3 b) SO2 c) NO2 d) CO.
Last Answer : b) SO2
Description : Interveinal necrotic spots on leaves appear due to (1) HF injury (2) SO2 injury (3) NO2 injury (4) O3 injury
Last Answer : SO2 injury
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 : Component of smog a) O3 b) PAN c) PPN & PAN d) Both (a) & (b).
Last Answer : d) Both (a) & (b).
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 : Irritation in eyes is caused by the pollutant (A) Sulphur di-oxide (B) Ozone (C) PAN (D) Nitrous oxide
Last Answer : Answer: C
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 : The main precursors of winter smog are (A) N2O and hydrocarbons (B) NOx and hydrocarbons (C) SO2 and hydrocarbons (D) SO2 and ozone
Last Answer : (C) SO2 and hydrocarbons
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 : What is responsible for the reddish, brown color of photochemical smog?
Last Answer : ANSWER: NITROGEN DIOXIDE or NO2
Description : In a coal fired power plant electrostatic precipitators are installed to control emission of (a) NOX (b) SPM (c) CO (d) SO2
Last Answer : (b) SPM
Description : Supersonic jet causes pollution by thinning of - (1) O3 layer (2) O2 layer (3) SO2 layer (4) CO2 layer
Last Answer : (1) O3 layer Explanation: Three forms (or allotropes) of oxygen are involved in the ozone-oxygen cycle: oxygen atoms (O or atomic oxygen), oxygen has (O2 or diatomic oxygen), and ... oxygen radicals. The atomic oxygen radicals then combine with separate O2 molecules to create two O3 molecules.
Description : The most dangerous pollutant in vehicular emissions is A. CO B. SO2 C. CO2 D. O3
Last Answer : ANS: A
Description : The supersonic jets cause pollution by the thinning of (a) O2 layer (b) O3 layer (c) CO2 layer (d) SO2 layer.
Last Answer : (b) O3 layer
Description : Which of the following is a secondary pollutant? (a) CO (b) CO2 (c) SO2 (d) O3
Last Answer : (d) O3
Description : Which of the following is a secondary pollutant (1) CO (2) CO2 (3) SO2 (4) O3
Last Answer : (4) O3
Description : Which Pollutant causes leaf curling a) CO b) H2S c) O3 d) SO2
Last Answer : d) SO2
Description : Which of the following molecules is linear? w) SO2 x) O3 y) XeF2 z) H2S
Last Answer : ANSWER: Y -- XeF2
Description : Supersonic jet causes pollution by thinning of (1) O3 layer (2) O2 layer (3) SO2 layer (4) CO2 layer
Last Answer : O3 layer
Description : Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby ... B) Irritation in eyes (C) Respiratory trouble (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : A hard fluid present in smog which causes irritation in eyes is
Last Answer : Peraxyacetyl Nitrate
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 : 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 : 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 : 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 : 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 : Which is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles
Last Answer : (A) Photochemical smog
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