Description : On a cold winter night , the process sleeping in a room with closed door and windows with coal fire burning inside may die due to the excessive accumulation of a) nitrogen monoxide b) nitrogen dioxide c) carbon dioxide d) carbon monoxide
Last Answer : d) carbon monoxide
Description : The _________ gas produced during burning of coal is responsible for causing acid rain . a) oxygen b)sulphur dioxide c)nitrogen d)water vapour
Last Answer : b)sulphur dioxide
Description : The compound that IS NOT responsible for acid rain is (a) nitrogen dioxide (b) nitrogen pentoxide (c) Sulphur dioxide (d) carbon monoxide
Last Answer : Ans:(d)
Description : What are the components responsible for acid rain? (1) Nitrogen monoxide (NO) and Carbon monoxide (CO) (2) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) (3) Carbon dioxide (CO2) and Carbon monoxide (CO) (4) Oxides of carbon (COx) and Oxides of nitrogen (NOx)
Last Answer : (2) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Explanation: Acid rain is caused by emissions of sulfur dioxide (SO2) and nitrogen oxide (NO), which react with the water molecules in the ... in acid rain can cause paint to peel, corrosion of steel structures and weathering of stone buildings.
Description : What are the components responsible for acid rain? (1) Nitrogen monoxide (NO) and Carbon monoxide (CO) (2) Sulphur dioxide (SO2 ) and Nitrogen oxides (NOx ) (3) Carbon dioxide (CO2 ) and Carbon monoxide (CO) (4) Oxides of carbon (COx ) and Oxides of nitrogen (NOx )
Last Answer : Sulphur dioxide (SO2 ) and Nitrogen oxides (NOx )
Description : Pick out the wrong statement. (A) Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions (B) Inhalation of pollutant carbon monoxide results ... D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere
Last Answer : (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles
Description : Which of the following gases is most toxic? (1) Carbon dioxide (2) Carbon monoxide (3) Sulphur dioxide (4) Chlorine
Last Answer : (2) Carbon monoxide Explanation: Carbon monoxide (CO) is a colourless, odorless, and tasteless gas that is slightly lighter than air. It is toxic to humans and animals when encountered in ... formation of groundlevel ozone. Carbon monoxide is colourless, odorless, and tasteless, but highly toxic.
Description : Which of the following gases is most toxic ? (1) Carbon dioxide (2) Carbon monoxide (3) Sulphur dioxide (4) Chlorine
Last Answer : Carbon monoxide
Description : The greenhouse effect is caused by the higher level of which gas in the atmosphere? (1) Carbon monoxide (2) Carbon dioxide (3) Nitrous oxide (4) Sulphur dioxide
Last Answer : (2) Carbon dioxide Explanation: The greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all ... the absence of the gases. The environmental effects of carbon dioxide are of significant interest.
Description : The greenhouse effect is caused by the higher level of which gas in the atmosphere ? (1) Carbon monoxide (2) Carbon dioxide (3) Nitrous oxide (4) Sulphur dioxide
Last Answer : Carbon dioxide
Description : Which one out of the following helps in burning? (1) Oxygen (2) Carbon monoxide (3) Nitrogen (4) Carbon dioxide
Last Answer : (1) Oxygen Explanation: Karl Scheele, the Swedish chemist, was the first to prepare oxygen by heating mercuric oxide in 1772. Joseph Priestley, the English chemist, also prepared oxygen in 1774 ... on mercuric oxide. Its elemental nature was, however, established by the French chemist, Lavoisier.
Description : Which one out of the following helps in burning? (1) carbon dioxide (2) oxygen (3) carbon monoxide (4) nitrogen
Last Answer : (2) oxygen Explanation: Oxygen is the gas that helps / supports combustion (burning). Nitrogen itself does not support burning (though it forms nitrides with some metals). So, air also supports burning.
Description : Which one out of the following helps in burning ? (1) Oxygen (2) Carbon monoxide (3) Nitrogen (4) Carbon dioxide
Last Answer : Oxygen
Description : The most serious air pollutant causing health hazard is – (1) Sulphur dioxide (2) Carbon monoxide (3) Ozone (4) Nitrogen oxide
Last Answer : (1) Sulphur dioxide Explanation: Sulphur dioxide (SO2) is considered as the most serious single air pollutant causing health hazard, obstructing breathing. It always leads to airways inflammation, ... , pulmonary oedema, heart failure and circulatory collapse. It is also responsible for acid rain.
Description : Transboundary pollution (or) Acid rain is caused by – (1) Carbon monoxide (2) Carbon dioxide (3) Hydrocarbon (4) Nitrogen oxide and sulphur dioxide
Last Answer : (4) Nitrogen oxide and sulphur dioxide Explanation: Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it possesses elevated levels of hydrogen ions ( ... dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.
Description : Acid rain is caused by, the pollution of environment by - (1) carbon dioxide and nitrogen (2) carbon monoxide and carbon dioxide (3) ozone and carbon dioxide (4) nitrous oxide and sulphur dioxide
Last Answer : (1) carbon dioxide and nitrogen
Description : Acid rain is caused by the pollution of environment by - (1) carbon dioxide and nitrogen (2) carbón monoxide and carbon dioxide (3) ozone and carbon dioxide (4) nitrous oxide and sulphur dioxide
Last Answer : (4) nitrous oxide and sulphur dioxide
Description : Acid rain is caused by the pollution of environment by – (1) Carbon monoxide and Carbon dioxide (2) Ozone and Carbon dioxide (3) Nitrous oxide and Sulphur dioxide (4) Carbon dioxide and Nitrogen
Last Answer : (3) Nitrous oxide and Sulphur dioxide Explanation: Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances ... acidic pollutants, known as acid rain. Human activities are the main cause of acid rain.
Description : The ‘Green House effect' is produced due to the presence of excess amount of – (1) Sulphur dioxide (2) Nitrogen dioxide (3) Carbon monoxide (4) Methane
Last Answer : (4) Methane Explanation: By their percentage contribution to the greenhouse effect on Earth the four major gases are: Water vapour (36-70%), Carbon dioxide (9-26%), Methane (4-9%) and Ozone (3- 7%).
Description : Global warming is mainly due to accumulation of – (1) Oxides of nitrogen (2) Oxides of sulphur (3) Carbon dioxide (4) Carbon monoxide
Last Answer : (3) Carbon dioxide Explanation: Global Warming refers to average increase in the earth's temperature due to increase in pollution which results in greenhouse effect which in turn leads to climate ... dioxide accumulate into the atmosphere and trap heat that would normally exit into the outer space.
Description : Which of the following is related to acid rain? (a) Carbon-dioxide (b) Nitrogen (c) Sulphur dioxide’ (d) Carbon Monoxide
Last Answer : (c) Sulphur dioxide’
Description : Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? (A) Smog & ozone (B) Hydrogen fluoride & nitrogen oxides (C) Sulphur dioxide & spray of weed killers (D) Carbon monoxide
Last Answer : (D) Carbon monoxide
Description : Chief air pollutant which is likely to deplete ozone layer is a) Sulphur dioxide b) Carbon dioxide c) Carbon monoxide d) Nitrogen oxides and Fluorocarbons.
Last Answer : d) Nitrogen oxides and Fluorocarbons
Description : The most serious air pollutant causing health hazard is (1) Sulphur dioxide (2) Carbon monoxide (3) Ozone (4) Nitrogen oxide
Last Answer : Sulphur dioxide
Description : Transboundary pollution (or) Acid rain is caused by : (1) Carbon monoxide (2) Carbon dioxide (3) Hydrocarbon (4) Nitrogen oxide and sulphur dioxide
Last Answer : Nitrogen oxide and sulphur dioxide
Description : Acid rain is caused by the pollution of environment by (1) Carbon monoxide and Carbon dioxide (2) Ozone and Carbon dioxide (3) Nitrous oxide and Sulphur dioxide (4) Carbon dioxide and Nitrogen
Last Answer : Actually Yes it is The place with low humidity with the salt mixture in the air Like places which have coal Brun, High urban population with modern gas transportaion and near to the beach where ... Salt helps these gases to mix well and give acid rain Places like Vizag in Andhra Pradesh
Description : The ‘Green House effect’ is produced due to the presence of excess amount of (1) Sulphur dioxide (2) Nitrogen dioxide (3) Carbon monoxide (4) Methane
Last Answer : Methane
Description : Global warming is mainly due to accumulation of (1) Oxides of nitrogen (2) Oxides of sulphur (3) Carbon dioxide (4) Carbon monoxide
Description : Burning pyrites ore gives out – (1) Carbon dioxide gas (2) Sulphur dioxide gas (3) Nitrogen dioxide gas (4) Nitric oxide gas
Last Answer : (2) Sulphur dioxide gas Explanation: The mineral pyrite, or iron pyrite, is an iron sulfide with the formula FeS9. Pyrite remains in commercial use for the production of sulfur dioxide, for use in such applications as the paper industry, and in the manufacture of sulfuric acid.
Description : Burning pyrites ore gives out (1) Carbon dioxide gas (2) Sulphur dioxide gas (3) Nitrogen dioxide gas (4) Nitric oxide gas
Last Answer : Sulphur dioxide gas
Description : The gas predominantly responsible for global warming is (1) Carbon dioxide (2) Carbon monoxide (3) Nitrous oxide (4) Nitrogen peroxide
Last Answer : (1) Carbon dioxide
Description : Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? (1) Chlorofluorocarbons (2) Nitrous oxide (3) Sulphur dioxide (4) Carbon dioxide
Last Answer : (1) Chlorofluorocarbons Explanation: Chlorofluorocarbon contributes to ozone depletion in the upper atmosphere. It is an organic compound that contains only carbon, chlorine, and fluorine, produced as a ... methane, ethane, propane. Its manufacture has been phased out under the Montreal Protocol.
Description : Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbon (4) Sulphur dioxide
Last Answer : Chlorofluorocarbon
Description : Because less coal is consumed in this system, emissions of ______ and particulate and solid waste by products are reduced. a. Sulphur dioxide (SO2) b. Nitrogen oxide (NOx) c. Carbon dioxide (CO2) d. All of the above.
Last Answer : d. All of the above.
Description : During photosynthesis green plants absorb (1) nitrogen (2) carbon dioxide (3) carbon monoxide (4) oxygen
Last Answer : carbon dioxide
Description : The sources of sulphur dioxide may be: 1. burning of coal 2. solid municipality waste disposal 3. burning of diesel 4. volcanoes The correct sources are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only
Last Answer : Ans:(b)
Description : Which of the following molecules is polar? w) Iodine x) Carbon Dioxide y) Carbon Monoxide z) Chlorine
Last Answer : ANSWER: Y -- CARBON MONOXIDE
Description : Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the (A) Industrial chimney exhaust (B) Automobiles exhaust (C) Photochemical reaction in polluted atmosphere (D) Burning of domestic fuel
Last Answer : (B) Automobiles exhaust
Description : Acid rains are produced by (a) excess NO2 and SO2 from burning fossil fuels (b) excess production of NH3 by industry and coal gas (c) excess release of carbon monoxide by incomplete combustion (d) excess formation of CO2 by combustion and animal respiration.
Last Answer : (a) excess NO2 and SO2 from burning fossil fuels
Description : The substances that cause air pollution are 1. Smoke 2. Sulphur dioxide 3. Argon 4. Carbon monoxide The correct answers are: (a) 1, 2 and 3 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 4
Description : The gas released during photosynthesis : (1) Carbon dioxide (2) Oxygen (3) Carbon monoxide (4) Sulphur dioxide
Last Answer : (2) Oxygen Explanation: In plants, algae, and cyanobacteria, photosynthesis uses carbon dioxide and water, releasing oxygen as a waste product. Photosynthesis is vital for all aerobic life on Earth. In ... this process is: Carbon dioxide + Water + Light energy --> Carbohydrate + Oxygen + Water
Description : Which one of the following group of gases contribute to the "Green House Effect"? (1) Carbon dioxide and Methane (2) Ammonia and Ozone (3) Carbon monoxide and Sulphur dioxide (4) Carbon tetrailouride and Nitrous oxide
Last Answer : (1) Carbon dioxide and Methane Explanation: The primary greenhouse gases in the Earth's atmosphere are water vapour, carbon dioxide, methane, nitrous oxide, and ozone. When ranked by their direct contribution to the greenhouse ... 72 %, Carbon Dioxide: 9- 26 %, Methane: 4-9 % and Ozone: 3-7 %.
Description : The gas causing acid rain in an industrial area is - (1) Carbon dioxide (2) Carbon monoxide (3) Sulphur dioxide (4) Methane
Last Answer : (3) Sulphur dioxide Explanation: The main gases responsible for causing acid rain are sulphur dioxide as well as nitrous oxides. The main sources of sulphur dioxide are metal working industries and coalfired power stations whereas nitrous oxide is from vehicles and fuel combustion.
Description : The gas produced in marshy places due to decomposition of vegetation is – (1) Carbon monoxide (2) Carbon dioxide (3) Sulphur dioxide (4) Methane
Last Answer : (4) Methane Explanation: Methane gas is a hydrocarbon gas largely composed of methane formed when organic material or vegetation decays in the absence of air. Naturally occurring methane is mainly produced by the process of methanogenesis. It is also known as Swamp Gas.
Description : The most common cause of pollution of air is – (1) Carbon dioxide (2) Carbon monoxide (3) Sulphur dioxide (4) Smoke
Last Answer : (3) Sulphur dioxide Explanation: The most common sources of air pollution include particulates, ozone, nitrogen dioxide, and sulfur dioxide. The largest sources of SO2 emissions are from fossil fuel ... non-road equipment. It is linked with a number of adverse effects on the respiratory system.
Description : Which gas is used as fire extinguisher? (1) Carbon dioxide (2) Carbon monoxide (3) Carbon suboxide (4) Sulphur dioxide
Last Answer : (1) Carbon dioxide Explanation: A fire extinguisher, flame extinguisher, or simply an extinguisher, is an active fire protection device used to extinguish or control small fires, often in ... separate cartridge that is punctured prior to discharge, exposing the propellant to the extinguishing agent.
Description : Major aerosol pollutant in jet plane emission is (a) sulphur dioxide (b) carbon monoxide (c) methane (d) fluorocarbon.
Last Answer : (d) fluorocarbon.
Description : Which one is not a pollutant normally? (a) Hydrocarbon (b) Carbon dioxide (c) Carbon monoxide (d) Sulphur dioxide
Last Answer : (b) Carbon dioxide
Description : Ultraviolet radiations from sunlight causes a reaction that produces (a) fluorides (b) carbon monoxide (c) sulphur dioxide (d) ozone.
Last Answer : (d) ozone.