Description : Which of the following green house gases has the greatest heat trapping ability? (1) Chlorofluoro carbon (2) Methane (3) Carbon dioxide (4) Nitrous oxide
Last Answer : (1) Chlorofluoro carbon Explanation: Gases that trap heat in the atmosphere are called green house gases. Global Warming Potentials (GWPs) are used to compare the abilities of different green house gases to trap ... 1.2. The higher the GWP, the more heat the specific gas can keep in the atmosphere.
Description : Which of the following green house gases has the greatest heattrapping ability? (1) Chlorofluoro carbon (2) Methane (3) Carbon dioxide (4) Nitrous oxide
Last Answer : Chlorofluoro carbon
Description : Greenhouse gas having largest contribution to global warming A) Carbon dioxide (60%) (B) Nitrous oxide (5%) (C) Methane (15%) (D) CFC
Last Answer : A) Carbon dioxide (60%)
Description : An important green-house gas other than methane being produced from the agricultural fields is– (1) Nitrous oxide (2) Ammonia (3) Sulphur dioxide (4) Arsine
Last Answer : (1) Nitrous oxide Explanation: Nitrous oxide (N2O) and methane (CH4) are the two major greenhouse gasses (GHG) emitted by agricultural activities. N2O accounts for around 8% of the warming impact of current human GHG emissions.
Description : An important green-house gas other than methane being produced from the agricultural fields is (1) Nitrous oxide (2) Ammonia (3) Sulphur dioxide (4) Arsine
Last Answer : Nitrous oxide
Description : Which of the following is NOT a primary green house gas in the earth's atmosphere? (1) Methane (2) Ozone (3) Nitrous oxide (4) Hydrogen
Last Answer : (4) Hydrogen Explanation: Greenhouse gases are those that absorb and emit infrared radiation in the wavelength range emitted by Earth.
Description : Consider the following gases: 1. Nitrous oxide 2. CFCs 3. Methane 4. Water vapour The Green House Gases (GHGs) are: (a) 1, 2, 3 and 4 (b) 1, 3 and 4 only (c) 1, 2 and 4 only (d) 1, 2 and 3 only
Last Answer : Ans:(a)
Description : Which of the following organisms is most likely to produce green-house gases such as nitrous oxide and methane? (1) Fungi (2) Earthworm (3) Bacteria (4) Green plants
Last Answer : (4) Green plants Explanation: When it comes to greenhouse gases many of us think first of CO2. But a large proportion of global greenhouse gas emissions are actually other gases, ... from fertilisers and methane mostly from cows. In peat pasture areas these emissions are particularly prevalent.
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 : Which one of the following green house gases has the shortest residence time in the atmosphere? (A) Chlorofluorocarbon (B) Carbon dioxide (C) Methane (D) Nitrous oxide
Last Answer : (C) Methane
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 tetraflouride and Nitrous oxide
Last Answer : Carbon dioxide and Methane
Description : Among the following air pollutants which directly impacts human health as well as climate ? (A) Soot (B) Sulphur dioxide (C) Oxides of nitrogen (D) Chlorofluoro carbons
Last Answer : (A) Soot
Last Answer : CFC or chlorofluoro carbon destroys the weight layer
Description : Which of the following organisms is most likely to produce greenhouse gases such as nitrous oxide and methane? (1) Fungi (2) Earthworm (3) Bacteria (4) Green plants
Last Answer : Green plants
Description : Which of the following gases contributes maximum to global warming? (A) CFC (B) CO2 (C) Methane (D) NO 2
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 depletion in Ozone layer is caused by - (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane
Last Answer : (3) Chlorofluorocarbons Explanation: Chlorofluorocarbons (CFCs), also known as Freon, cause the breakdown of the ozone layer that protects the earth from the sun's ultraviolet (UV) radiation. In the ... depletion in the upper atmosphere, CFCs have been phased out under the Montreal Protocol of 1987.
Description : Acid rain is due to air pollution by - (1) Carbon dioxide (2) Carbon monoxide (3) Methane (4) Nitrous oxide and Sulfur dioxide
Last Answer : (4) Nitrous oxide and Sulfur dioxide Explanation: The main chemicals in air pollution that create acid rain are sulfur dioxide (SO2) and Nitrous oxide (N2O).
Description : Which of the following is not including in the Greenhouse gases: C A. Methane B. Carbon dioxide C. Oxygen D. Nitrous Oxide
Last Answer : Oxygen
Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) ozone and methane x) nitrous oxide and sulfur dioxide y) methane and carbon dioxide z) ozone and carbon monoxide
Last Answer : ANSWER: Y -- METHANE AND CARBON DIOXIDE
Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) oxygen and hydrogen x) ozone and methane y) nitrous oxide and sulfur dioxide z) methane and carbon dioxide e) ozone and carbon monoxide
Last Answer : ANSWER: Z -- METHANE AND CARBON DIOXIDE
Description : The depletion in Ozone layer is caused by ___________ . (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane
Last Answer : Chlorofluorocarbons
Description : petroleum The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC
Last Answer : ANSWER: C
Description : Methane The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC
Description : The major part of natural gas, petroleum and coal consist of _____. A. Carbon dioxide B. Chlorine C. Methane D. CFC
Description : The major part of natural gas, petroleum and coal consists of? A. Carbon B. Chlorine C. CFC D. Methane (Answer)
Last Answer : D. Methane (Answer)
Description : Dangerous gas for depletion of ozone layer is: (A)Ethane (B) Methane (C)CFC (D) Carbon-dioxide
Last Answer : (C)CFC
Description : Which one amongst the following is not a Green House gas? (1) Nitrogen (2) Carbon dioxide (3) Carbon Monoxide (4) Chloro fluoro carbons
Last Answer : (1) Nitrogen Explanation: A greenhouse has (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. The primary greenhouse gases in the Earth's atmosphere are water vapour, carbon dioxide, methane, nitrous oxide, and ozone.
Last Answer : Nitrogen
Description : Which is not a green house gas? a) CFC b) CH4 c) CO d) H2
Last Answer : a) CFC
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)
Description : The 'laughing gas' is (A) Nitrous oxide (B) Nitric oxide (C) Nitrogen trioxide (D) Nitrogen pentoxide
Last Answer : (A) Nitrous oxide
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 : Which of the following GHGs has the longest atmospheric life time? a) CO2 b) CFC c) Sulfur Hexafluoride (SF6) d) perfluorocarbon (PFC)
Last Answer : d) perfluorocarbon (PFC)
Description : This cause the depletion of ozone layer by decomposing ozone to oxygen . a) CFC b)UV radiations c)CO2 d)O2
Last Answer : b)UV radiations
Description : The pollutant responsible for ozone holes is _____. (1) CO2 (2) SO2 (3) CO (4) CFC
Last Answer : CFC
Description : What is nitrous oxide gas ?
Last Answer : Nitrous oxide is a combination of nitrogen and oxygen whose signal is N2O. It usually causes laughter.
Description : Stranger gas is (a) argon (b) neon (c) nitrous oxide (d) xenon
Last Answer : Ans:(d)
Description : Which of the following gases is known as “Laughing Gas”? (1) Nitrous oxide (2) Nitrogen peroxide (3) Nitrogen (4) Nitric oxide
Last Answer : (1) Nitrous oxide Explanation: Nitrous oxide (N2O) is commonly known as laughing gas. It is used in surgery and dentistry for its anaesthetic and analgesic effects. It is known as "laughing gas ... effects of inhaling it, a property that has led to its recreational use as a dissociative anaesthetic.
Description : Which is also called Stranger Gas? (1) Xenon (2) Neon (3) Argon (4) Nitrous oxide
Last Answer : (1) Xenon Explanation: Xenon is also called Stranger Gas. The element's name came from the Greek word xenos, which means 'stranger'. Xenon belongs to the group of the noble gases.
Description : Laughing gas is – (1) Nitric oxide (2) Nitrous oxide (3) Nitrogen trioxide (4) Nitrogen pentoxide
Last Answer : (2) Nitrous oxide Explanation: Laughing gas is Nitrous Oxide (N2O).
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 : Tear gas is – (1) Chloroprene (2) Carbonyl chloride (3) Nitrous oxide (4) Bleaching powder
Last Answer : (2) Carbonyl chloride Explanation: Tear gas, formally known as a lachrymatory agent or ladnymator (from lacrima meaning "tear" in Latin), is a non-lethal chemical weapon that ... temporary blindness, etc. Lachrymators are thought to act by attacking sulphydryl functional groups in enzymes.
Description : The chemical name of “laughing gas” is - (1) Nitric oxide (2) Nitrogen dioxide (3) Nitrogen pentoxide (4) Nitrous oxide
Last Answer : (4) Nitrous oxide Explanation: Nitrous oxide, commonly known as laughing gas, is a chemical compound with the formula N2O. It is used in surgery and dentistry for its anesthetic and analgesic effects ... of inhaling it, a property that has led to its recreational use as a dissociative anesthetic.
Description : Which one of the following is also called Stranger Gas? A. Neon B. Argon C. Xenon (Answer) D. Nitrous oxide
Last Answer : C. Xenon (Answer)
Description : The chemical name of Laughing gas is------? A. Nitric oxide B. Nitrogen dioxide C. Nitrogen pentoxide D. Nitrous oxide (Answer)
Last Answer : D. Nitrous oxide (Answer)
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