b) dense urban population. Photochemical smog is related to the pollution of (a) soil (b) water (c) noise (d) air. All (, ( & (, 4. S O 2 B. Ozone, peroxyacyl nitrates, aldehydes and phenols are produced due to photochemical reactions between nitrogen oxides and unsaturated hydrocarbons. ; Secondary air pollutants - Primary pollutants interact with one another, sunlight, or natural gases to produce new, harmful compounds A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere. a) dark and cold weather. Whereas Primary pollutant are those pollutants that are directly emitted from their sources, like CO2, CO, SO2 as these gases are directly emitted form burning of fossil fuels. Which of the following is not a secondary air pollutant? suspended solids. Outline the major sources of emission of air pollutants associated with sulphur, nitrogen, and hydrocarbons. Secondary Pollutants. One of the most known secondary pollutants is tropospheric ozone, whose formation and effect will be explained in the following section. Particulate matter is an example of an air pollutant. For example, the fumes from your exhaust mix with the oxygen in the air to make nitrogen dioxide. Q. The smaller the particles, the more easily and deeply they can enter our lungs and create health problems. Which of the following is a secondary criteria air pollutant? Primary air pollutants are air pollutants emitted directly from sources to the atmosphere. 4.Which of the following particles is called the particulate pollutants? This is a Most important question of gk exam. soluble and toxic organics. 7. Ozone is a secondary pollutant formed through a complex series of reactions between NOx (NO2 and NO), volatile organic compounds and ultraviolet sunlight. Secondary air pollutant is: A.Ozone B.Carbon monoxide C.Nitrogen Dioxide D.Sulphur dioxide Ans. 5.Which of the following agents is responsible for turning the Taj Mahal yellow? Which of the following is a secondary air pollutant? Answer: (b) Ozone. nitrogen dioxide. Hamad Chemical Environmental Engineering 12/07/2021. This secondary pollutant has become a common occurrence in urban areas around the world, particularly in cities with high population densities. Secondary air pollutants Examples of a secondary pollutant include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight; NO2, which is formed as NO combines with oxygen in the air; and acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water 1) SO 2. (a) PANs (b) Ozone (c) Carbon monoxide (d) Nitrogen Dioxide. Answer. The panel shows how a secondary pollutant is formed. determine which is a primary pollutant, and which is a secondary pollutant. is a secondary air pollutant has an irritating odor and is colorless is relatively harmless to the environment 1 See answer sethdabboup53t is waiting for your help. A. Ozone. All (, ( & (, 4. The main air pollution indica-tors are SO 2, NOx, PM, CO, VOC and O 3. The presence of these pollutants in ambient air is generally due to numerous diverse and widespread sources of emissions. NULL. D. All of the above. This is a secondary pollutant. atmospheric deposition. An air pollution prevention mechanism found in vehicles. There is a certain percentage of gases present in the atmosphere. So, the answer is B. of air pollutants in the ambi-ent atmosphere) result from the intensity and the type of emissions of air pollutants, the dispersion of air pollu-tants and their transporta-tion. Sulphur dioxide, 5. Some air pollutants are hazardous at levels well below 1 ppm. & C. The phenomena of photochemical smog (seen in high density cities, see Figure 1) is a result of the interactions of primary pollutants with other molecules in the air such as molecular oxygen , … Which of the following is called the secondary air pollutant? wildfires) or synthetic (man-made); they may be in the form of gas, liquid or solid. Correct Answer of this Question is : 2. SOLUTION. The gases like Nitric oxide, Sulphur dioxide and carbon dioxide are the gases which pollute the environment directly. Acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water, sulfuric acid etc. A primary pollutant is an air pollutant emitted directly from a source. Photochemical smog, 2. These are formed by the reaction of primary pollutant.CO – Quantitative pollutantCO2 – Primary pollutantSO2 – Primary pollutant 2. Q. Which of the following did not contribute to the 1952 London Smog crisis? Worldwide, more deaths per year are linked to air pollution than to automobile accidents. Nitrogen oxides released into the atmosphere are hit by sunlight, producing smog. Peroxyacyl nitrates (PAN) GenFlores04 GenFlores04 Sulfur dioxide (also sulphur dioxide) is the chemical compound with the formula SO 2. EPA calls these pollutants “criteria” air pollutants because it sets NAAQS for them based on the criteria, which are characterizations of the latest scientific information regarding their effects on health or welfare. "). These pollutants are found all over the U.S. They can harm your health and the environment, and cause property damage. Which of the following is not a secondary air pollutant ? Q. b) dense urban population. Sulfur dioxide _____. c) burning coal . NAAQS are currently set for carbon monoxide, lead, ground-level ozone, nitrogen dioxide, particulate matter, and sulfur dioxide. Photochemical smog, 2. Types of Air Pollutants: An air pollutant is known as a substance in the air that can cause harm to humans and the environment. A)creates a reddish-brown haze in the sky B)is a secondary air pollutant C)has an irritating odor and is colorless D)is relatively harmless to the environment 0.1 1 5 25 ⇒ From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about _____ ppm. Which of the following options correctly describe air pollutants? Which of the following did not contribute to the 1952 London Smog crisis? Solution: Secondary air pollutants are photochemically produced from primary pollutants and are thus called photochemical oxidants. Road traffic has become the first source of air pollution in urban areas. Q. Preview (23 questions) Show answers. 5. Question is : Which of the following is not a secondary air pollutant ? sulfur dioxide. A. Ozone. C O. C. O 3 D. N O. Tags: Question 19 . Q. O3 (ozone) is a secondary pollutant. 5. (a) PM (b) CO (c) NO (d) O3 8. dioxide—known as “criteria” air pollutants (or simply “criteria pollutants”). A primary pollutant is an air pollutant emitted directly from a source e.g., carbon monoxide (CO), oxides of nitrogen (NOx, NO), sulfur oxides (SOx), SO2 , volatile organic compounds (VOCs) and particulate matter (dust, ash, salt particles). Photochemical smog is made up of various secondary pollutants like ozone, peroxyacyl nitrates (PANs), and nitric acid (seen in Figure 2). Ozone Acid Rain Nitrozen dioxide Sulphuric acid Select the correct option from codes given below: Answer: [D] 1, 2, 3 and 4. Which of the following is a secondary pollutant (1) CO (2) CO2 (3) SO2 (4) O3. Photochemical smog may consist of several secondary pollutants, such as ozone and nitric acid. Smog is an example of how primary air pollution from human activity can lead to even more harmful secondary pollution. Secondary Air Pollutants Ground Level Ozone. Nitrogen oxides, carbon monoxide, and volatile organic compounds can react in warm, sunlit air to form ground-level ozone. a) SPM b) PAN c) SO 2 d) NO 2 Answer: b Clarification: Peroxy Acetyl Nitrate is a secondary air pollutant whereas, Suspended Particulate Matter, SO 2 and NO 2 are primary air pollutants. … Answer: (a) plastics 7. Which of the following groups of plants can be used as indicators of SO pollution of air? C. Sulphur dioxide. (a) CO (b) SO2 (c) PM (d) 03 7. EPA also sets secondary NAAQS Among the following, the only secondary pollutant is: (a) Sulphur tetraoxide (b) Sulphur dioxide (c) Ozone (d) Sulphur tetraoxide. Examples of primary pollutants are carbon monoxide, carbon dioxide, sulphur dioxide and benzene etc. So, the answer is B. SURVEY . Secondary air pollutants are the products of primary pollutants chemically bonded. What is the relationship between these two types of pollutants. Sol: (b) Ozone. Usually, primary pollutants are substances directly emitted from a process, such as ash from a volcanic eruption, the carbon monoxide gas from a motor vehicle exhaust or sulfur dioxide released from factories. (a) Epiphytic lichens (b) Ferns (c) Liver worts (d) Horn worts. atmospheric transport. Among the following, the only secondary pollutant is: A. What is the relationship between these two types of pollutants. Secondary air pollutant. Hence, Acidrain is a secondary air pollutant. (a) PANs (b) Ozone (c) Carbon monoxide (d) Nitrogen Dioxide. Which of the following are methods to control air pollution from cars? Which of the following government agencies is responsible for the Clean Air Act? A primary pollutant is an air pollutant emitted directly from a source.. A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere.. 1 5 50 500 ⇒ Presence of _____ in water stream are deleterious to aquatic life. of a secondary pollutant include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight; NO2, which is formed as NO combines with oxygen in theair; and acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water. Approxiamtely 80% of Nitrogen can be lost as ammonia in the air. 6. 3.Which of the following is called the secondary air pollutant? An air pollutant is known as a substance in the air that can cause harm to humans and the environment. 6. Nitrogen dioxide (NO 2) 4. Photochemical smog may consist of several secondary pollutants, such as ozone and nitric acid. Answer: (d) air 6. Surface condenser in which the gas contacts a warm surface in which warm liquid or gas is circulated, such as the outside of … 3. Q. Secondary pollutants: Primary pollutants when reacting with each other or from basic components of air, forms a new pollutant called secondary pollutants. For example, the fumes from your exhaust mix with the oxygen in the air to make nitrogen dioxide. A Secondary air pollutant. The presence of these pollutants in ambient air is generally due to numerous diverse and widespread sources of emissions. 5) Peroxy Acetyl – nitrate (PAN) Primary air pollutant. B) particulate matter. 1. Effects of air pollution (A) On biological systems (a) On animals A type of pollution found both indoors and outdoors, which includes pollen, dander, soot, carbon, and dust. This is a Most important question of gk exam. B. Photochemical smog. All (, ( & (, 4. Which of the following groups of plants can be used as indicators of SO pollution of air? Particulate matter formed from gaseous primary pollutants and compounds in photochemical smog, such as nitrogen dioxide. The permissible concentration of PM 10 in the air is _____ a) 60μg/m 3 b) 40μg/m 3 c) 50μg/m 3 d) 20μg/m 3 Answer: a Likewise, which of the following is an example of a secondary pollutant? 4) Ozone. answer choices ... secondary air pollutants . Particulate Matter (Particle Pollution) Particulate matter (PM), particulates, or particle pollution are general terms for solid or liquid particles found in the atmosphere; these particles may be of varying sizes and chemical composition. Online Electronics Shopping Store - Buy Mobiles, Laptops, Camera Online India. Air quality has improved over the past 30 years. Secondary pollutants are the pollutants formed by the chemical reaction between primary pollutants in the presence of sunlight e.g., sulphuric acid, nitrogen dioxide and ozone. All (, ( & (, 4. 06.01 Air Pollution and Smog Quiz.pdf - Which of the following is a secondary pollutant(5 points carbon dioxide carbon monoxide sulfur dioxide nitric Correct Answer of this Question is : 2. industry, transportation, and energy production. Some of the examples of primary pollutants are NO x from automobile exhaust, carbon monoxide, carbon dioxide, sulfur dioxide, nitrogen oxide, nitrogen dioxide, most hydrocarbons, and most suspended particles.. Carbon dioxide is a secondary air pollutant, causing global warming and result from incomplete combustion of organic fuels. answer choices . (a) Epiphytic lichens (b) … Question is : Which of the following is not a secondary air pollutant ? Air quality has improved over the past 30 years. 5. C) carbon monoxide. 6. Electronics Bazaar is one of best Online Shopping Store in India. An increase or decrease in the composition of these gases is harmful to survival. soil erosion, volcanoes, and forest fires. Which of the following is/are secondary air pollutant (s)? Secondary pollutants are concerning as they can be formed from many different compounds. Note that this refers to the ozone formed in the lower levels of the atmosphere (troposphere), not the ozone layer in the stratosphere. It is the contamination of air by harmful gases, dust, and smoke which affects plants, animals, and humans drastically. Correct answers: 2 question: sulfur dioxide are both air pollutants. Air pollution impacts everyone but some of us are more susceptible than others: children and seniors, people with existing lung and heart conditions, people working and exercising outdoors. , Options is : 1. Fetuses, newborn children, and people with chronic illnesses are especially susceptible to the effects of air pollutants. Air pollution refers to any physical, chemical, or biological change in the air. However, when primary pollutants mix with the Earth’s atmosphere, they make new compounds called secondary pollutants. A primary pollutant is an air pollutant emitted directly from a source.. A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere.. soluble and toxic organics. NULL. soil erosion, volcanoes, and energy production. Whereas, Ozone is not emitted directly by the vehicular pollutants, it is formed as a result of combining of two oxygen molecules, in the presence of sunlight. Among the following, the only secondary pollutant is: (a) Sulphur tetraoxide (b) Sulphur dioxide (c) Ozone (d) Sulphur tetraoxide. Ground level ozone (0 3) formed from NO-, and VOCs. Used on factory stacks to remove gases and particulate. Whereas, Ozone is not emitted directly by the vehicular pollutants, it is formed as a result of combining of two oxygen molecules, in the presence of sunlight. 3. asked May 7, 2018 in Biology by Nisa (59.7k points) neet; neet-2018; Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. EPA also sets secondary NAAQS A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere. Hence, it is considered as a secondary pollutant. Examples of a secondary pollutant include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight; NO2, which is formed as NO combines with oxygen in the air; and acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water. In addition, ozone depletion is one of the effects of primary and secondary pollutants in the atmosphere. Correct Answer of this Question is : 2. Ozone Carcinogens Pesticides Metallic powders ⇒ Salt content in sea water is about _____ percent. Complete Smog City first and bring me your paper. Particulate Matter (Particle Pollution) Particulate matter (PM), particulates, or particle pollution are general terms for solid or liquid particles found in the atmosphere; these particles may be of varying sizes and chemical composition. How is leachate produced in the landfill? This is a Most important question of gk exam. It is a precursor of secondary find particles in the air, significantly reducing air … This is an air pollutant that has adverse effects on human health and the environment and can cause eutrophication of surface waters, loss of biodiversity, soil acidification. Secondary School answered Which of the following is a secondary air pollutant? of a secondary pollutant include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight; NO2, which is formed as NO combines with oxygen in theair; and acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water. When a building has bad air quality, it has something called. Secondary pollutants are not emitted directly. Most important causative pollutant of soil maybe (a) plastics (b) iron junks (c) detergents (d) glass junks. Solution: Secondary air pollutants are photochemically produced from primary pollutants and are thus called photochemical oxidants. (a) Through the infiltration and surface drainage (b) Through groundwater infiltration (c) Through materials decomposition (d) All above 2. In addition, ozone depletion is one of the effects of primary and secondary pollutants in the atmosphere. Which of the following is secondary pollutant - 4741762 sharmaakshat2602 sharmaakshat2602 18.07.2018 Science Secondary School answered Which of the following is secondary pollutant (a) CO2 (b) O3 ... to form of compounds such as sulphuric acid sulphuric acid and Sulphuric particles .about 99% of the Sulphur dioxide in air comes from human sources. Examples of a secondary pollutant include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight; NO2, which is formed as NO combines with oxygen in the air; and acid rain, which is formed … Add your answer and earn points. When a building has bad air quality, it has something called. suspended solids. Ozone , 3. NULL. ⇒ Which of the following pollutants, if present in atmosphere is detectable by its odour ? C. O 3 Secondary pollutants are the compounds which combine with primary pollutants through chemical or photochemical reactions. However, when primary pollutants mix with the Earth’s atmosphere, they make new compounds called secondary pollutants. The Clean Air Act requires EPA to set National Ambient Air Quality Standards (NAAQS) National Ambient Air Quality Standards (NAAQS)National Ambient Air Quality Standards established by EPA for six "criteria" pollutants in outdoor air. Sol: (c) Fly Ash. After completing this chapter, you will be able to. The primary NAAQS are set to protect public health. A type of pollution found both indoors and outdoors, which includes pollen, dander, soot, carbon, and dust. Which of the following is considered as the secondary pollutant? Some pollutants may be both primary and secondary: they are both emitted directly and formed from other primary pollutants. Answer. Which one of the following is a secondary pollutant? Different types of secondary pollutants include: 1. D) sulfuric acid A primary pollutant is an air pollutant emitted directly from a source. Among the following, the only secondary pollutant is: (a) Sulphur tetraoxide (b) Sulphur dioxide (c) Ozone (d) Sulphur tetraoxide. Its origin lies in the interactions between the primary emissions in the atmosphere. (a) Ozone (b) Radon (c) Fly Ash (d) Ethylene. A (n) _______ pollutant is produced from chemical reactions involving one or more other pollutants. Which of the following is an example of a secondary air pollutant? The major sources of air pollution are transportation engines, power and heat generation, indus­trial processes and the burning of solid waste. c) burning coal . Which of the following can cause acid rain?