Description : The pair of compounds used as anesthetic in medicines – (1) Ether, Ammonia (2) Nitrous oxide, Chloroform (3) Chloroform, Nitrogen dioxide (4) Nitrogen dioxide, ether
Last Answer : (2) Nitrous oxide, Chloroform Explanation: Nitrous oxide is one of the more well-known anesthetic gases, and has been in use for around 200 years. Unlike some other anesthetics, this compound ... than ether. Its use as an anaesthetic decreased with increased experience and knowledge of its dangers.
Description : Which of the following nitrogen-containing compounds is most readily used by plants? w) nitrogen dioxide x) ammonia y) nitrous oxide z) nitrate
Last Answer : ANSWER: Z -- NITRATE
Description : Which is not an anasthetic agent in surgical operations? (1) Chloroform (2) Ether (3) Nitrous oxide (4) Acetone
Last Answer : (4) Acetone Explanation: The currently used inhalational anaesthetic agents are mainly: nitrous oxide, isoflurane, sevoflurane and desflurane. Chloroform, ether, ethylene are other anaesthetic agents. However, they are not widely used in clinical practice today.
Last Answer : Acetone
Description : Select the general anaesthetic having the most marked uterine relaxant action: A. Propofol B. Halothane C. Nitrous oxide D. Ether
Last Answer : B. Halothane
Description : The general anaesthetic having significant cardiodepressant property is: A. Halothane B. Enflurane C. Ether D. Nitrous oxide
Last Answer : A. Halothane
Description : The following general anaesthetic has poor muscle relaxant action: A. Ether B. Nitrous oxide C. Halothane D. Isoflurane
Last Answer : B. Nitrous oxide
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 : 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 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 : 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 : Which of the following gases is present under pressure in soft drinks? (1) Oxygen (2) Nitrogen (3) Carbon dioxide (4) Nitrous oxide
Last Answer : (3) Carbon dioxide Explanation: Carbon dioxide is present under pressure in soft drinks. Carbon dioxide adds that special sparkle and bite to the beverage and also acts as a mild preservative. Carbon ... for soft drinks because it is inert, non-toxic, and relatively inexpensive and easy to liquefy.
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 : Commercial nitric acid is coloured because it contains dissolved – (1) Oxygen (2) Nitrous oxide (3) Nitrogen dioxide (4) Coloured impurities
Last Answer : (3) Nitrogen dioxide Explanation: Commercial nitric acid has a brown colour due to dissolved NO2. The procedure of bubbling dry air through warm commercial nitric acid, is to drive away the dissolved nitrogen dioxide so that the acid becomes colourless.
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 chemical name of “laughing gas’ is (1) Nitric oxide (2) Nitrogen dioxide (3) Nitrogen pentoxide (4) Nitrous oxide
Last Answer : Carbon dioxide
Description : Commercial nitric acid is coloured because it contains dissolved : (1) Oxygen (2) Nitrous oxide (3) Nitrogen dioxide (4) Coloured impurities
Last Answer : Nitrogen dioxide
Description : Which of the following is correct about Nitrous Oxide N2O: A. N2O has high analgesic and low anaesthetic property at its minimum anaesthetic dose. Low MAC; Max Anaesthetic Concentration B. Absolutely ... C. Has low blood diffusibility and result in hypoxia D. It is good anaesthetic and low MAC
Last Answer : C. Has low blood diffusibility and result in hypoxia
Description : Nitrous Oxide (N2O) is not used alone as a general anaesthetic agent because of:** A. Difficulties in maintaining an adequate O2 concentration B. Adverse affects on liver C. Poor analgesics affects
Last Answer : C. Poor analgesics affects
Description : Select the correct statement about nitrous oxide: A. It irritates the respiratory mucosa B. It has poor analgesic action C. It is primarily used as a carrier and adjuvant to other anaesthetics D. It frequently induces post anaesthetic nausea and retching
Last Answer : C. It is primarily used as a carrier and adjuvant to other anaesthetics
Description : 'Diffusion hypoxia’ is likely to occur only after use of nitrous oxide because it: A. Is a respiratory depressant B. Has low blood solubility and is used in high concentration C. Is a very potent anaesthetic D. Interferes with diffusion of oxygen into the tissues
Last Answer : B. Has low blood solubility and is used in high concentration
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
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 : Which of the process is known as nitrification? (1) Reaction of Nitrogen Monoxide with oxygen to form nitric acid (2) Reaction of nitrogen dioxide with water to form nitric acid (3) Conversion of ammonia to nitrites (4) Conversion of nitrite to nitric oxide
Last Answer : Conversion of ammonia to nitrites
Description : Chloroform can be used as – (1) Analgesic (2) Anaesthetic (3) Antimalarial (4) Antibiotic
Last Answer : (2) Anaesthetic Explanation: Chloroform can be used as Anaesthetic. Chloroform (CHCl3) on heating with silver powder undergoes dehalogenation to form Ethyne.
Description : Chloroform can be used as (1) Analgesic (2) Anaesthetic (3) Antimalarial(4) Antibiotic
Last Answer : Anaesthetic
Description : Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher (1) a, b (2) a, c (3) b, c (4) d, a
Last Answer : b, c
Description : Which chemical is used to ripen mangoes artificially? (1) Sulphur Dioxide (2) Nitrous Oxide (3) Calcium Carbide (4) Phosphorous
Last Answer : (3) Calcium Carbide Explanation: The chemical widely used for artificially ripening fruits is calcium carbide (CaC2). It is used to ripen about 80 per cent of mangoes in India.
Description : Which of the following is usually not an air-pollutant? (1) Hydrocarbons (2) Sulphur dioxide (3) Carbon dioxide (4) Nitrous oxide
Last Answer : (4) Nitrous oxide Explanation: The six air pollutants are carbon monoxide, lead, ground-level ozone, nitrogen dioxide, particulate matter, and sulfur dioxide. The combustion of gasoline and other ... as laughing gas, is used in surgery and dentistry for its an-aesthetic and analgesic effects.
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 : 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 : 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 : 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 : The depletion in Ozone layer is caused by ___________ . (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane
Last Answer : Chlorofluorocarbons
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
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 : Which of the following statements is false about secondary amines? (a) They react with chloroform and NaOH to form isocyanides. (b) They can be prepared by reduction of isocyanides. (c) They react ... give substituted amides. (d) They react with ice-cold nitrous acid to give nitrosamine (yellow oil)
Last Answer : They react with chloroform and NaOH to form isocyanides.
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 : Nitrogen in water is commonly found in the form of - (1) Nitrous oxide (2) Nitrate (3) Nitric oxide (4) Nitrite
Last Answer : (2) Nitrate Explanation: Nitrate (NO3) is the most common form of inorganic nitrogen in unpolluted waters. Nitrate moves readily through soils and into ground water, where concentrations can be much higher than in surface waters. Water in coastal areas mainly contains elementary nitrogen gas (N2).
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 : Nitrogen in water is commonly found in the form of (1) Nitrous oxide (2) Nitrate (3) Nitric oxide (4) Nitrite
Last Answer : Nitrate
Description : Laughing gas is (1) Nitric oxide (2) Nitrous oxide (3) Nitrogen trioxide (4) Nitrogen pentoxide
Description : Who invented chloroform as anaesthetic? (1) James Simpson (2) Edward Jenner (3) Alexander Fleming (4) Christian Barnard
Last Answer : James Simpson