According to Ellingham diagram the oxidation reaction of carbon and carbon monoxide may be used to reduce which one of the following oxides at the low

According to Ellingham diagram the oxidation reaction of carbon and carbon monoxide may be used to reduce which one of the following oxides at the low
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According to Ellingham diagram the oxidation reaction of carbon and carbon monoxide may be used to reduce which one of ... B. `Cu_(2)O` C. MgO D. ZnO
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Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is (A) Alumina (B) Platinum (C) Vanadium pentoxide (D) Iron oxide

Description : Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is (A) Alumina (B) Platinum (C) Vanadium pentoxide (D) Iron oxide

Last Answer : Option B

`DeltaG^(@) vsT` plot in the Ellingham diagram slopes down for the reaction.

Description : `DeltaG^(@) vsT` plot in the Ellingham diagram slopes down for the reaction.

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Ellingham Diagram is useful

Description : Ellingham Diagram is useful

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At the point of intersection for any two reactions for any two reactions in Ellingham diagram, the gibbs energy `(DeltaG)` changes becomes

Description : At the point of intersection for any two reactions for any two reactions in Ellingham diagram, the gibbs energy `(DeltaG)` changes becomes

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Some statement about Ellingham diagram (a) Increase in the slope of the line on +ve side indicates the phase ransformation (b) Metal oxide decomposes

Description : Some statement about Ellingham diagram (a) Increase in the slope of the line on +ve side indicates the phase ransformation (b) Metal oxide decomposes

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Carbon and oxygen combine to form two oxides, carbon monoxide and carbon dioxide in which the ratio of the weights of carbon and oxygen is respectivel

Description : Carbon and oxygen combine to form two oxides, carbon monoxide and carbon dioxide in which the ratio of the weights of carbon and oxygen is respectivel

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Near the top of the blast furnace, iron oxides are reduced to …… by carbon monoxide .

Description : Near the top of the blast furnace, iron oxides are reduced to …… by carbon monoxide .

Last Answer : Near the top of the blast furnace, iron oxides are reduced to …… by carbon monoxide . A. C B. CO C. `CO_(2)` D. `CaCO_(3)`

(1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, react in the atmosphere in the presence of sunlight containing ultra violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3

Description : (1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, ... violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3

Last Answer : Water is not effective in extinguishing a fire caused by petrol because - (1) the flame is too hot for water to cool it down (2) water and petrol react chemically (3) water and petrol are ... (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn

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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)

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Which of the following in auto-mobile exhaust can cause cancer? (1) Oxides of nitrogen (2) Carbon monoxide (3) Lead (4) Polyclinic hydrocarbons

Description : Which of the following in auto-mobile exhaust can cause cancer? (1) Oxides of nitrogen (2) Carbon monoxide (3) Lead (4) Polyclinic hydrocarbons

Last Answer : (2) Carbon monoxide Explanation: Polycyclic aromatic hydrocarbons (PAHs) are formed during incomplete combustion. Domestic wood burning and road traffic are the major sources of PAHs. Exposure ... reactive diol epoxide intermediates and their subsequent covalent binding to critical targets in DNA.

The constituents of automobile exhaust that can cause cancer is/are : (1) Oxides of nitrogen (2) Carbon monoxide (3) Polycyclic hydrocarbons (4) Lead

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Global warming is mainly due to accumulation of – (1) Oxides of nitrogen (2) Oxides of sulphur (3) Carbon dioxide (4) Carbon monoxide

Description : Global warming is mainly due to accumulation of – (1) Oxides of nitrogen (2) Oxides of sulphur (3) Carbon dioxide (4) Carbon monoxide

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An important water contaminant is: (a) Heavy metals (b) Nitrogen oxides (c) Carbon monoxide (d) NO2 and SO2

Description : An important water contaminant is: (a) Heavy metals (b) Nitrogen oxides (c) Carbon monoxide (d) NO2 and SO2

Last Answer : (b) Nitrogen oxides

Which of the following is the most major constituents of air pollutants? (A) Oxides of sulphur (B) Oxides of nitrogen (C) Carbon monoxide (D) Hydrogen sulphide

Description : Which of the following is the most major constituents of air pollutants? (A) Oxides of sulphur (B) Oxides of nitrogen (C) Carbon monoxide (D) Hydrogen sulphide

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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

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

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog? (A) Nitrogen oxides (B) Hydrocarbons (C) Both 'a' & 'b' (D) Carbon monoxide

Description : Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog? (A) Nitrogen oxides (B) Hydrocarbons (C) Both 'a' & 'b' (D) Carbon monoxide

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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.

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

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Last Answer : (C) Surface ozone

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Last Answer : (B) Oxides of nitrogen and unburnt hydrocarbons

Which of the following pollutants is not emitted from the transport sector? (A) Oxides of nitrogen (B) Chlorofluorocarbons (C) Carbon monoxide (D) Poly aromatic hydrocarbons

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Last Answer : (B) Chlorofluorocarbons 

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 )

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 ) 

Which of the following in automobile exhaust can cause cancer? (1) Oxides of nitrogen (2) Carbon monoxide (3) Lead (4) Polyclinic hydrocarbons

Description : Which of the following in automobile exhaust can cause cancer? (1) Oxides of nitrogen (2) Carbon monoxide (3) Lead (4) Polyclinic hydrocarbons

Last Answer : Polyclinic hydrocarbons

The constituents of automobile exhaust that can cause cancer is/are : (1) Oxides of nitrogen (2) Carbon monoxide (3) Polycyclic hydrocarbons (4) Lead

Description : The constituents of automobile exhaust that can cause cancer is/are : (1) Oxides of nitrogen (2) Carbon monoxide (3) Polycyclic hydrocarbons (4) Lead

Last Answer : Lead

Global warming is mainly due to accumulation of (1) Oxides of nitrogen (2) Oxides of sulphur (3) Carbon dioxide (4) Carbon monoxide

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 : Carbon dioxide 

The advantage(s) of using carbon to reduce a number of oxides and other compounds are :

Description : The advantage(s) of using carbon to reduce a number of oxides and other compounds are :

Last Answer : The advantage(s) of using carbon to reduce a number of oxides and other compounds are : A. ... of carbon lowers the melting point of the oxides

A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the (A) Presence of large quantity of hydrogen in the fuel (B) Low calorific value of the fuel (C) High sulphur content in the fuel (D) Lack of thorough mixing of fuel with air

Description : A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the (A) Presence of large ... fuel (C) High sulphur content in the fuel (D) Lack of thorough mixing of fuel with air

Last Answer : (D) Lack of thorough mixing of fuel with air

does carbon monoxide reduce the mental ability of breathing?

Description : does carbon monoxide reduce the mental ability of breathing?

Last Answer : Carbon monoxide is a odorless, colorless, and tasteless gas. It is toxic in high concentrations, and consists of one Carbon atom and one Oxygen atom. They are connected by a triple bond. ... can make breathing difficult in certain circumstances, but has no affect on the mental ability of breathing.

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 in death by asphyxiation (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles (D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere

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

The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent. (A) 60 (B) 30 (C) 95 (D) 100

Description : The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent. (A) 60 (B) 30 (C) 95 (D) 100

Last Answer : (A) 60

Can anyone help me with this? Chlorine and carbon monoxide gases are mixed in a 1.00L container and the following equilibrium is established: CO(g) + Cl2(g) <--> COCl2(g).. Initially 1.5 mol of chlorine was present with excess carbon monoxide. At equilibrium, 0.8 mol of COCl2(g) was found. How do you calculate the percent reaction?

Description : Can anyone help me with this? Chlorine and carbon monoxide gases are mixed in a 1.00L container and the following equilibrium is established: CO(g) + Cl2(g) COCl2(g).. Initially 1.5 mol of ... monoxide. At equilibrium, 0.8 mol of COCl2(g) was found. How do you calculate the percent reaction?

Last Answer : For a start, your equation isn't balanced; it should be Cl2 (Cl2, not 2Cl, because of HONClBrIF). Given this, if we assume the reaction goes to completion, 1.5 mol Cl2 will produce 1.5 mol ... .3% Incidentally, is that supposed to be CO or Co? It has no effect on the calculation, just curious.

Phosgene is obtained by the reaction of carbon monoxide and which gas? -Do You Know?

Description : Phosgene is obtained by the reaction of carbon monoxide and which gas? -Do You Know?

Last Answer : answer:

Phosgene is obtained by the reaction of carbon monoxide and which gas?

Description : Phosgene is obtained by the reaction of carbon monoxide and which gas?

Last Answer : Chlorine

Ultraviolet radiations from sunlight causes a reaction that produces (a) fluorides (b) carbon monoxide (c) sulphur dioxide (d) ozone.

Description : Ultraviolet radiations from sunlight causes a  reaction that produces (a) fluorides (b) carbon monoxide (c) sulphur dioxide (d) ozone.

Last Answer : (d) ozone.

Ultraviolet radiations from sunlight causes a reaction that produces (a) fluorides (b) carbon monoxide (c) sulphur dioxide (d) ozone.

Description : Ultraviolet radiations from sunlight causes a reaction that produces (a) fluorides (b) carbon monoxide (c) sulphur dioxide (d) ozone.

Last Answer : (d) ozone.

How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues? (a) By forming a stable compound with haemoglobin (b) By obstructing the reaction of oxygen with haemoglobin (c) By changing oxygen into carbon dioxide (d) By destroying the haemoglobin

Description : How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues? (a) By forming a stable compound with haemoglobin (b) By obstructing the reaction of oxygen with haemoglobin (c) By changing oxygen into carbon dioxide (d) By destroying the haemoglobin

Last Answer : (a) By forming a stable compound with haemoglobin

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

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

Phosgene is obtained by the reaction of carbon monoxide and which gas?

Description : Phosgene is obtained by the reaction of carbon monoxide and which gas?

Last Answer : Chlorine

28. Which one of the following statements regarding photochemical smog is not correct? (1) Photochemical smog does not cause irritation in eyes and throat (2) Carbon monoxide does not play any role in photochemical smog formation (3) Photochemical smog is an oxidizing agent in character (4) Photochemical smog is formed through photochemical reaction involving solar energy.

Description : 28. Which one of the following statements regarding photochemical smog is not correct? (1) Photochemical smog does not cause irritation in eyes and throat (2) Carbon monoxide does not ... agent in character (4) Photochemical smog is formed through photochemical reaction involving solar energy.

Last Answer : Photochemical smog does not cause irritation in eyes and throat

Mist is caused by – (1) dry ice (2) ice at low temperature (3) water vapour at low temperature (4) carbon-monoxide in solid form

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.

Pick out the wrong statement (A) Low ozone layer thickness in polar regions is due to cold climatic conditions (B) Amount of unburnt hydrocarbons emitted by two stroke petrol engine is more as compared to that emitted by a four stroke engine (C) Carbon monoxide present in the two stroke petrol engine exhaust is much less as compared to that emitted from a four stroke engine (D) Mercury as a pollutant can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease

Description : Pick out the wrong statement (A) Low ozone layer thickness in polar regions is due to cold climatic conditions (B) Amount of unburnt hydrocarbons emitted by two stroke petrol engine is more ... can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease

Last Answer : (D) Mercury as a pollutant can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease

Mist is caused by (1) dry ice (2) ice at low temperature (3) water vapour at low temperature (4) carbon-monoxide in solid form

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

The gas which may cause explosion in sewers, is A. Carbondioxide B. Methane C. Ammonia D. Carbon monoxide

Description : The gas which may cause explosion in sewers, is A. Carbondioxide B. Methane C. Ammonia D. Carbon monoxide

Last Answer : ANS: B

Percentage of carbon monoxide in blast furnace gas may be around (A) 8 (B) 14 (C) 22 (D) 52

Description : Percentage of carbon monoxide in blast furnace gas may be around (A) 8 (B) 14 (C) 22 (D) 52

Last Answer : (C) 22

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

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

How many and what are carbon oxides ?

Description : How many and what are carbon oxides ?

Last Answer : : Two carbon oxides. One is carbon monoxide and the other is carbon dioxide. And there is another carbonate.

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

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

Where does the oxygen that keeps us alive come from? A. Carbon dioxide B. Carbonates absorbed from soil C. Oxides of minerals D. Water

Description : Where does the oxygen that keeps us alive come from? A. Carbon dioxide B. Carbonates absorbed from soil C. Oxides of minerals D. Water

Last Answer : ANSWER: A

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

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

Acid rain is caused due to pollution of atmosphere by – (1) oxides of carbon and nitrogen (2) oxides of nitrogen and sulphur (3) oxides of nitrogen and phosphorus (4) None of these

Description : Acid rain is caused due to pollution of atmosphere by – (1) oxides of carbon and nitrogen (2) oxides of nitrogen and sulphur (3) oxides of nitrogen and phosphorus (4) None of these

Last Answer : (2) oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of Sulpfur Dioxide (SO2) and Nitrogen Oxide (NOx), which react with the water molecules in the atmosphere to produce acids.

Where does the oxygen that keeps us alive come from? (1) Carbon dioxide (2) Carbonates absorbed from soil (3) Oxides of minerals (4) Water

Description : Where does the oxygen that keeps us alive come from? (1) Carbon dioxide (2) Carbonates absorbed from soil (3) Oxides of minerals (4) Water

Last Answer : (4) Water Explanation: Since water and carbon dioxide are both compounds which contain oxygen, it is possible to obtain oxygen from either. The oxygen produced from photosynthesis is not released into the ... the air. Scientists agree that there's oxygen from ocean plants in every breath we take.