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 : Acid rain is due to increase in atmospheric concentration of (a) ozone and dust (b) CO2 and CO (c) SO3 and CO (d) SO2 and NO2
Last Answer : (d) SO2 and NO2.
Description : Acid rain is due to increase in atmospheric concentration of (a) ozone and dust (b) CO2 and CO (c) SO3 and CO (d) SO2 and NO2.
Description : Acid rain is caused by a) SO2 and NO2 b) SO2 and CO c) NH3 and CO d) SO2 and NH3.
Last Answer : a) SO2
Description : Which of the following pollutants is absent in the emissions from a fertiliser plant? (A) SO2 & SO3 (B) NO2 (C) NH3 (D) CO
Last Answer : (D) CO
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 : Main pollutants released from iron & steel industry is (A) CO, CO2 & SO2 (B) H2S, NO & SO3 (C) CO2 , H2S & NO2 (D) SO3 , NO2 & CO2
Last Answer : (A) CO, CO2 & SO2
Description : Which of the following pollutants, if present in atmosphere is detectable by its odour ? (A) CO (B) SO2 (C) NO2 (D) CO2
Last Answer : (B) SO2
Description : Main pollutants released from petroleum refineries is (A) CO, SO2 & H2S (B) CO2 , NO & SO3 (C) CO2 , H2S & NO2 (D) SO3 , NO2 & CO2
Last Answer : (A) CO, SO2 & H2S
Description : The worst enemy of ozone is a) Liquid NH3 b) SO2 c) CH4 d) CO.
Last Answer : c) CH4
Description : Major gaseous pollutant of the thermal power station is – (1) H2S (2) NH3 (3) NO2 (4) SO2
Last Answer : (4) SO2 Explanation: A flue-gas stack is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air ... CO2) and water vapor as well as nitrogen and excess oxygen remaining from the intake combustion air.
Description : Major gaseous pollutant of the thermal power station is (1) H2 S (2) NH3 (3) NO2 (4) SO2
Last Answer : SO2
Description : Acid rain is caused by - (1) SO2 and particulates (2) (2) NO2 and particulates (3) (8) CO2 and CFCs (4) (4) SO2 and NO2
Last Answer : (4) SO2 and NO2 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 (low pH). Acid ... sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.
Description : Acid rain is caused by (1) SO2 and particulates (2) NO2 and particulates (3) CO2 and CFCs (4) SO2 and NO2
Last Answer : SO2 and NO2
Description : Which one of the following is a most harmful pollutant by automobiles? (a) SO2 (b) CO (c) N2O (d) CO2
Last Answer : (b) CO
Description : The pollutant responsible for ozone holes is - (1) CO2 (2) SO2 (3) CO (4) CFC
Last Answer : (4) CFC Explanation: Chlorofluorocarbons (CFCs) have been held responsible for the depletion of ozone layer. The manufacture of CFCs has been phased out under the Montreal Protocol, and they are being replaced with other products such as HFCs.
Description : The pollutant responsible for ozone holes is _____. (1) CO2 (2) SO2 (3) CO (4) CFC
Last Answer : CFC
Description : Aerated water contains – (1) SO2 (2) NO2 (3) NO2 (4) CO2
Last Answer : (4) CO2 Explanation: Aerated water is, correctly speaking, water to which air is added. So aerated water is any water artificially impregnated with a large amount of has (as carbon dioxide). The term is, however, frequently applied to carbonated water.
Description : Aerated water contains (1) SO2 (2) NO2 (3) H2 (4) CO2
Last Answer : CO2
Description : Color of nitric acid is light yellow due to the presence of (A) NO (B) NO2 (C) N2H5 (D) NH3
Last Answer : (B) NO2
Description : Lichens indicate pollution by a) O3 b) SO2 c) NO2 d) CO.
Last Answer : b) SO2
Description : Indicate the types of isomerisms exhibited by the complex [Co(NH3)5 (NO2)] (NO3)2. (At. no. Co = 27) -Chemistry
Last Answer : It shows ionisation isomerism and linkage isomerism.
Description : Which gas is released from paddy fields? a) CO2 b) H2S c) CH4 d) NH3
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 : 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 : When conc. H2 SO4 is added to dry KNO3 , brown fumes are evolved. These fumes are due to (1) SO3 (2) SO2 (3) NO2 (4) N2O
Last Answer : NO2
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 : Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful (1) solar ultraviolet radiation (2) solar infrared radiation (3) CO2 in the air (4) SO2 in the air
Last Answer : (1) solar ultraviolet radiation Explanation: Ozone layer serves as a protective shield against harmful solar ultraviolet radiation.
Description : Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of (A) CO2 (B) SO2 (C) Hydrocarbons (D) CFC (chloro fluoro carbon)
Last Answer : (D) CFC (chloro fluoro carbon)
Last Answer : solar ultraviolet radiation
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 : In North India, some times rains take place in winter, which is due to—(A) Western depression (B) Monsoon depression (C) Eastern depression (D) S–W depression
Last Answer : (A) Western depression
Description : Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion ... rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)
Last Answer : (A) CO
Description : The most dangerous pollutant in vehicular emissions is A. CO B. SO2 C. CO2 D. O3
Last Answer : ANS: A
Description : Which of the following is a secondary pollutant? (a) CO (b) CO2 (c) SO2 (d) O3
Last Answer : (d) O3
Description : If CO2 is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as (A) O2 (B) CO (C) N2 (D) SO2
Last Answer : (D) SO2
Description : Which of the following is a secondary pollutant (1) CO (2) CO2 (3) SO2 (4) O3
Last Answer : (4) O3
Description : Which one of the following is normally not an atmospheric pollutant ? a) CO b) CO2 c) SO2 d) Hydrocarbon.
Last Answer : b) CO2
Description : Which of the following gases contributes maximum to global warming? (A) CFC (B) CO2 (C) Methane (D) NO 2
Last Answer : (C) Methane
Description : Global warming is attributed to increase in concentration of green house gases like (A) CO2 (B) CFCs (C)CH4 (D) All of these
Last Answer : (D) All of these
Description : Raw materials for urea production are (A) CO2 and N2 (B) CO2 , H2 and N2 (C) NH3 and CO (D) HNO3 and CaCO3
Last Answer : (B) CO2 , H2 and N2
Description : Urea is represented as (A) NH2 .CO.NH2 (B) NH3CO.CH3 (C) NH.CO2 .NH (D) NH3 .CO2 .NH3
Last Answer : (A) NH2 .CO.NH2
Description : Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for (A) Conversion of CO into CO2 in the second compartment (B) Conversion of NOx into N2 and NH3 in the first ... of unburnt hydrocarbon fuel in the second compartment (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : . Shift conversion reaction (A) Converts N2 and H2 into NH3 (B) Converts CO to CO2 with steam (C) Is non-catalytic (D) Is highly exothermic
Last Answer : (B) Converts CO to CO2 with steam
Description : How would the equilibrium change if NO2 were added to SO2(g)+NO2(g)=NO(g)+SO3(g)+heat?
Last Answer : The amount of NO and SO3 would increased.
Description : Pollutant from motor car exhaust that causes mental disease is – (1) Lead (2) NO2 (3) SO2 (4) Hg
Last Answer : (1) Lead Explanation: Lead poisoning is a medical condition caused by increased levels of the heavy metal lead in the body. Lead interferes with a variety of body processes and is toxic to ... It interferes with the development of the nervous system, and is therefore particularly toxic to children.
Description : Which of the following oxide(s) is/are soluble in water to form alkalis? (i) Na2O (ii) SO2 (iii) K2O (iv) NO2 (a) (i) and (iii) (b) (i) only (c) (ii) and (iv) (d) (iii) only
Last Answer : Answer: (a)
Description : An important water contaminant is: (a) Heavy metals (b) Nitrogen oxides (c) Carbon monoxide (d) NO2 and SO2
Last Answer : (b) Nitrogen oxides