Description : What is Dry Ice? A. Solid Oxygen B. Solid Carbon Dioxide (Answer) C. Solid Hydrogen D. Solid Nitrogen
Last Answer : B. Solid Carbon Dioxide (Answer)
Description : What is dry ice? (1) Solid Carbon dioxide (2) Solid Nitrogen dioxide (3) Solid Sulphur dioxide (4) Solid Water
Last Answer : (1) Solid Carbon dioxide Explanation: Dry ice, sometimes referred to as "cardice," is the solid form of carbon dioxide. Its advantages include lower temperature than that of water ice and not leaving any residue (other than incidental frost from moisture in the atmosphere).
Description : Dry ice is the solid form of : (1) Air 7 (2) Carbon dioxide (3) Nitrogen (4) Water
Last Answer : (2) Carbon dioxide Explanation: Dry ice, sometimes referred to as "cardice," is the solid form of carbon dioxide. It is used primarily as a cooling agent. Its advantages include lower tem- ... . It is useful for preserving frozen foods, ice cream, etc., where mechanical cooling is unavailable.
Description : Dry ice is (a) Solid carbon dioxide (b) Ice dust (c) Liquified nitrogen (d) Liquified hydrogen
Last Answer : Ans:(a)
Description : Dry ice is the solid form of what gas? w) nitrogen x) oxygen y) helium z) carbon dioxide
Last Answer : ANSWER: Z -- CARBON DIOXIDE
Description : The chemicals most commonly used for cloud seeding or artificial rainmaking' is/are (1) Silver Iodide (2) Sodium Chloride (3) Dry ice or frozen carbon dioxide (4) (4) All the above
Last Answer : (1) Silver Iodide Explanation: Cloud seeding, a form of intentional weather modification, is the attempt to change the amount or type of precipitation that falls from clouds, by dispersing ... common chemicals used for cloud seeding include silver iodide and dry ice (solid carbon dioxide).
Description : The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are (1) Silver Iodide (2) Sodium Chloride (3) Dry ice or frozen carbon dioxide (4) All the above
Last Answer : Silver Iodide
Description : Chemical Name of Dry Ice? A. Solid Carbon Dioxide (Answer) B. Calcium Carbon C. A&B D. Sodium Oxide
Last Answer : A. Solid Carbon Dioxide (Answer)
Description : The gas used in a refrigerator to cool water is------? A. Nitrogen B. Carbon dioxide C. Methane D. Ammonia (Answer)
Last Answer : D. Ammonia (Answer)
Description : The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect A. Nitrogen Dioxide (NO2) B. Chlorofluorocarbons (CFCs) C. Methane (CH4) (Answer) D. High-fructose corn syrup (HFCs)
Last Answer : C. Methane (CH4) (Answer)
Description : Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Carbon dioxide B. Chlorofluorocarbons (Answer) C. Nitrogen oxides D. Methane
Last Answer : B. Chlorofluorocarbons (Answer)
Description : Chemically, dry ice is (a) ice formed from pure distilled water (b) solid carbon dioxide (c) solid sulphur dioxide (d) ice kept at sub-zero temperatures
Last Answer : Ans:(b)
Description : Dry ice is – (1) solid ammonia (2) solid sulphur dioxide (3) dry carbon dioxide gas (4) solid carbon dioxide
Last Answer : (4) solid carbon dioxide Explanation: Dry ice is the solid form of carbon dioxide. It is used primarily as a cooling agent. Its advantages include lower temperature than that of water ice and ... . It is useful for preserving frozen foods, ice cream, etc., where mechanical cooling is unavailable.
Description : "Dry ice" is (A) Moisture free ice (B) Solid helium (C) Solid carbon dioxide (D) None of these
Last Answer : (C) Solid carbon dioxide
Description : Dry ice is (1) solid ammonia (2) solid sulphur dioxide (3) dry carbon dioxide gas (4) solid carbon dioxide
Last Answer : solid carbon dioxide
Description : Dry ice is the solid form of : (1) Air (2) Carbon di–oxide (3) Nitrogen (4) Water
Last Answer : Carbon di–oxide
Description : The atmosphere of the primitive earth before origin of life consisted of: (a) Nitrogen, Oxygen, Ammonia, and Water vapour (b) Methane, Ammonia, Hydrogen, and Water vapour (c) Nitrogen, Oxygen, Water, and Carbon dioxide (d) Ammonia, Water, Oxygen, and Hydrogen
Description : The main constituents of biogas are (a) methane and hydrogen (b) carbon monoxide and carbon dioxide (c) butane, propane and nitrogen (d) carbon dioxide and methane
Last Answer : Ans:(d)
Description : How many moles of water are associated with each mole of methane in methane hydrate?
Last Answer : 5.75 moles of water per mole of methane.
Description : Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Methane B. Chlorofluorocarbons C. Nitrogen oxides D. Carbon dioxide
Last Answer : ANSWER: C
Description : Which one of the following is not a constituent of biogas? (1) Methane (2) Carbon dioxide (3) Hydrogen (4) Nitrogen dioxide
Last Answer : (4) Nitrogen dioxide Explanation: Nitrogen dioxide is not a component of biogas. Biogas is produced under anaerobic conditions; the process is denominated as anaerobic digestion. The major constituent of biogas is methane (55-70%), CO2 (30-45%) and some traces of gases such as H2S and ammonia.
Description : Which one of the following is not a 'green house gas'? (1) Chlorofluorocarbons (2) Methane (3) Carbon dioxide (4) Nitrogen
Last Answer : (4) Nitrogen Explanation: The primary greenhouse gases in the Earth's atmosphere are water vapour, carbon dioxide, methane, nitrous oxide, and ozone. The anthropogenic compound of Chlorofluorocarbons is also a greenhouse gas, with a much higher potential to enhance the greenhouse effect than CO2.
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 : Green House gas is A. Nitrogen B. Oxygen C. Methane D. Carbon dioxide
Last Answer : D. Carbon dioxide
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 : Which one of the following is not a ‘green house gas’ ? (1) Chlorofluorocarbons (2) Methane (3) Carbon dioxide (4) Nitrogen
Last Answer : Nitrogen
Description : Complete the chain: Continental Shelf, Mariana Trench, Methane Hydrate
Last Answer : Complete the chain: A B C (1) Continental Shelf (1) Mariana Trench (1) Methane Hydrate (2 ... Oceanic Trenches (4) Aldabra (4) Oil and Gas
Description : The five key indicators of global climate change of our planet are (1) Antartic Sea ice, Oxygen, Rain-fall, Drought and Sea level (2) Sea-level, Rising temperatures, Rainfall, Nitrogen and Arctic Sea ice (3) Arctic Sea ice, Carbon dioxide, Global Temperature, Sea level and Land ice (4) None of these
Last Answer : (3) Arctic Sea ice, Carbon dioxide, Global Temperature, Sea level and Land ice.
Description : The five key indicators of global climate change of our planet are : (1) Antartic Sea ice, Oxygen, Rainfall, Drought and Sea level (2) Sea-level, Rising temperatures, Rainfall, Nitrogen and Arctic Sea ... Arctic Sea ice, Carbon dioxide, Global Temperature, Sea level and Land ice. (4) None of these
Last Answer : Arctic Sea ice, Carbon dioxide, Global Temperature, Sea level and Land ice.
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 : The cooling medium used in dry quenching of coke is (A) Nitrogen (B) Air (C) Phenolic water (D) Carbon dioxide
Last Answer : (A) Nitrogen
Description : Mist is caused by – (1) dry ice (2) ice at low temperature (3) water vapour at low temperature (4) carbon-monoxide in solid form
Last Answer : (3) water vapour at low temperature Explanation: Mist is a phenomenon caused by small droplets of water suspended in air. It can occur as part of natural weather or volcanic activity, and ... canisters if the humidity conditions are right. The only difference between mist and fog is visibility.
Description : Mist is caused by (1) dry ice (2) ice at low temperature (3) water vapour at low temperature (4) carbon-monoxide in solid form
Last Answer : water vapour at low temperature
Description : Density in the solid state is slightly less than that in its liquid state, in case of (A) Carbon dioxide (B) Water (C) Mercury (D) None of these
Last Answer : (B) Water
Description : How do I keep ice cream frozen with dry ice for a 2-hour car ride WITHOUT the ice cream getting rock hard?
Last Answer : answer:If it freezes solid it won't get back it's fluffiness if you put it in the fridge for an hour when you get to where you are going? I don't know much about ice cream, but I know when I ... from the other container. Or, I would use regular ice which won't be as cold as the dry ice probably.
Description : The most commonly used chemicals in the artificial rainmaking or cloud seeding are (1) Silver Iodide (AgI) (2) Sodium Chloride (NaCl) (3) Dry Ice (Frozen CO2) (4) All of the above
Last Answer : (1) Silver Iodide (AgI) Explanation: Cloud seeding, a form of intentional weather modification, is the attempt to change the amount or type of precipitation that falls from clouds, by dispersing ... common chemicals used for cloud seeding include silver iodide and dry ice (solid carbon dioxide).
Description : Dry ice (solidified CO2 ) is used for the (A) Storage & shipment of frozen foods and ice-creams (B) Liquefaction of permanent gases (C) Liquefaction of natural gas (D) None of these
Last Answer : (A) Storage & shipment of frozen foods and ice-creams
Description : The most commonly used chemicals in the artificial rainmaking or cloud seeding are (1) Silver Iodide (Ag I) (2) Sodium Chloride (NaCl) (3) Dry Ice (Frozen CO2 ) (4) All of the above
Last Answer : Silver Iodide (Ag I)
Description : A coal gasifier operating at 20 atm. (e.g. Lurgi gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having (A) Higher ... calorific value (B) Higher carbon monoxide content (C) Lower carbon dioxide content (D) None of these
Last Answer : (A) Higher methane content and thus higher calorific value
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 following are green house gases a. Methane, carbon dioxide, carbon monoxide b. Methane, water vapour, carbon sulphide c. Carbon dioxide, hydrogen sulphide, hydrogen cyanide d. Carbon dioxide, Carbon monoxide, hydrogen cyanide
Last Answer : a. Methane, carbon dioxide, carbon monoxide
Description : In the first stage of photosynthesis, light energy splits water molecules leaving a by-product which is released. This byproduct is: a) hydrogen b) carbon dioxide c) oxygen d) methane
Last Answer : ANSWER: C -- oxygen
Description : Which of the following atmospheric gases constitute greenhouse gases? a. Carbon dioxide b. Nitrogen c. Nitrous oxide d. Water vapour Select the correct answer using the codes given below : (1) a, c and d (2) a and d (3) a and c (4) a, b and d
Last Answer : a, c and d
Description : For convenience, chocolate is frequently shipped in as a ____ when intended for use by other food manufacturers. a. solid c. liquid b. gas d. frozen
Last Answer : c. liquid
Description : The chief constituent of gobar gas is (a) Methane (b) Carbon dioxide (c) Acetylene (d) Ethylene
Description : Gobar gas contains mainly (a) Carbon dioxide (b) Methane (c) Ethylene (d) Carbon monoxide
Description : Marsh gas, formed from decaying organic matter and in coal mines is (a) carbon dioxide (b) methane (c) ethane (d) carbon monoxide