What Is The Main Component Of Smog

What Is The Main Component Of Smog?

Smog formed mainly above urban centres is composed mainly of tropospheric ozone (O3) primary particulate matter such as pollen and dust and secondary particulate matter such as sulphur oxides volatile organic compounds nitrogen oxides (NOx) and ammonia gas.Smog formed mainly above urban centres is composed mainly of tropospheric ozone

tropospheric ozone
Ground level or tropospheric ozone is created by chemical reactions between oxides of nitrogen (NOx gases) and volatile organic compounds (VOCs). The combination of these chemicals in the presence of sunlight form ozone. … Ozone in the troposphere is considered a greenhouse gas and may contribute to global warming.

What is the main component of smog quizlet?

On the other hand ozone at ground level is damaging to our health. Ground level ozone is the main component of smog and is the product of the interaction between sunlight and emissions from sources such as motor vehicles and industry.

What is the main component of city smog?

Ozone air pollution has reduced growth and damaged foliage of the tulip poplar. Airborne nitrogen compounds especially nitrogen oxides contribute to the formation of air pollutants like smog which can restrict visibility and affect human health. Ground-level ozone is the main component of smog.

What does smog consist of?

Smog is a kind of air pollution originally named for the mixture of smoke and fog in the air. Classic smog results from large amounts of coal burning in an area and is caused by a mixture of smoke and sulfur dioxide. In the 1950s a new type of smog known as Photochemical Smog was first described.

What is the main component of smog and how is it harmful?

Smog is a serious problem in many cities and continues to harm human health. Ground-level ozone sulfur dioxide nitrogen dioxide and carbon monoxide are especially harmful for senior citizens children and people with heart and lung conditions such as emphysema bronchitis and asthma.

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What are the two main components of smog?

Smog is made up of many chemicals including nitrogen oxides (NOx) sulphur dioxide (SOx) carbon monoxide (CO) and volatile organic compounds (VOCs) but the two main components of smog are particulate matter (PM) and ground-level ozone (O3).

What is the main component of photochemical smog quizlet?

nitrogen oxide (NO) and nitrogen dioxide (NO2) collectively. These gases play a role in photochemical smog. colorless and highly reactive gas a major component of photochemical smog and also found in the stratosphere where it protects life by filtering out most harmful UV radiation from the sun.

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What are the components of industrial smog?

Industrial smog contains two primary components: sulfur dioxide and particulates which include dust and soot from burning coal for heat and fuel.

Which is not component of smog?

Classic smog results from large amounts of coal burning in an area and is caused by a mixture of smoke and sulfur dioxide. Smog does not contain Chlorine oxide.

What is smog class8?

Smog: This is a thick fog-like layer in the atmosphere especially during winters made up of fog and smoke. • Sulphur dioxide is mainly produced by burning fuels such as coal. It causes respiratory problems including permanent lung damage.

Which is the most harmful component of smog?

Ozone

Ozone is the most toxic constituent of photochemical smog and it has caused considerable damage to agricultural and native plants in many locations.

What type of mixture is smog?

The correct answer is Gas mixed with a liquid and a solid. It is the term derived from two words smoke and fog. It is a kind of intense air pollution. The word smog was coined in the 20th century.

What is smog a mixture of?

What we typically call “smog” today is a mixture of pollutants that is primarily made up of ground-level ozone. In other words we can say combination of smoke and fog is SMOG which considerably reduces visibility (Fig. 14.11).

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Which pollutants are most responsible for smog or ground ozone?

Ground-level ozone is a colorless and highly irritating gas that forms just above the earth’s surface. It is called a “secondary” pollutant because it is produced when two primary pollutants react in sunlight and stagnant air. These two primary pollutants are nitrogen oxides (NOx) and volatile organic compounds (VOCs).

What is smog give its harmful effects?

Smog can cause or aggravate health problems such as asthma emphysema chronic bronchitis and other respiratory problems as well as eye irritation and reduced resistance to colds and lung infections. The ozone in smog also inhibits plant growth and can cause widespread damage to crops and forests.

What is smog How is it harmful?

When inhaled smog irritates our airways increasing our risk of serious heart and lung diseases. These health risks are why many cities monitor smog levels. On a high ozone-alert day for example your eyes and throat may burn and you may cough and wheeze.

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What are the major components of smog and how does it form quizlet?

What are the major components of smog? When and how does smog form in Los Angeles? nitrogen oxides (largely from automobile exhaust) volatile hydrocarbons and oxygen in the atmosphere to produce ground-level ozone this reaction requires solar energy.

What is smog quizlet?

-Smog: a poisonous mixture of smoke aire and other pollutants. -need: emissions warmth/sunlight and no air movement.

What are the different types of smog?

At least two distinct types of smog are recognized: sulfurous smog and photochemical smog. Sulfurous smog which is also called “London smog ” results from a high concentration of sulfur oxides in the air and is caused by the use of sulfur-bearing fossil fuels particularly coal.

What is photochemical smog How does it form what is the main component of photochemical smog?

Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight creating a brown haze above cities. It tends to occur more often in summer because that is when we have the most sunlight.

What causes smog quizlet?

What causes smog? Smog is mostly caused by action of sunlight on a mixture of hydrocarbons & oxides of Nitrogen.

Which of the following types of smog is ozone a principle component of?

Secondary Pollutant ozone – is a major component of photochemical smog.

What component is different in industrial smog from photochemical smog?

It is produced when nitrogen oxides and volatile organic compounds in automobile and fossil-fueled power-plant emissions combine with oxygen in the air in direct sunlight. Whereas industrial smog casts a gray pallor over the areas it affects the nitrogen dioxide in photochemical smog creates a dingy brownish haze.

What are the major sources of NOx?

NOx pollution is emitted by automobiles trucks and various non-road vehicles (e.g. construction equipment boats etc.) as well as industrial sources such as power plants industrial boilers cement kilns and turbines. NOx often appears as a brownish gas.

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How is smog formed in the atmosphere?

Photochemical smog is produced when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. … VOCs are released from gasoline paints and many cleaning solvents. When sunlight hits these chemicals they form airborne particles and ground-level ozone—or smog.

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Which compound is not a component of photochemical smog?

Among the given chlorofluorocarbons are the compounds that are responsible for ozone depletion which degrades ozone into molecular oxygen. It is not a component of photochemical smog.

Which of the following are common components of photochemical smog?

Photochemical smog is a mixture of air pollutants which have been chemically altered into further noxious compounds by exposure to sunlight the main components of photochemical smog are ozone peroxy acetyl nitrate (PAN) nitrogen oxides voltaltile organic compounds etc.

Which one of the following is not a common component of oxidizing smog?

Explanation: The oxidised hydrocarbons and ozone in presence of humidity cause photochemical smog. Hydrocarbons +O₂ NO₂ NO O O₃→Peroxides formaldehyde peroxyacetyl -nitrate (PAN) acrolein etc. Hence chlorofluro carbons are not common component of photochemical smog.

What is smog how it is formed Class 9?

Answer: The suspended particles like unburnt carbon particles and hydrocarbons mix with smoke and fog in the atmosphere especially in the cold weather to form smog which results in a lowered visibility.

How is smog formed answer?

The atmospheric pollutants or gases that form smog are released in the air when fuels are burnt. When sunlight and its heat react with these gases and fine particles in the atmosphere smog is formed. It is purely caused by air pollution.

What is the air composition?

Air is mostly gas

The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases too such as carbon dioxide neon and hydrogen.

Which of the following pollutants are responsible for the smog?

2. Which of the following pollutants are responsible for the cause of SMOG? Answer: (c) Both incinerators and emissions from vehicles.

Is smog a compound or mixture?

Volcanic smog (known as vog) is a mixture of atmospheric gases volcanic gases and suspended liquid and solid particles.

What is the solute in smog?

Air: Air is a solution composed of a gas solute and a gas solvent. Hydrogen and platinum: Hydrogen is a gas solute and platinum is a solid solvent. Water in air: Water is a liquid solute and air is a gas solvent. Smog: Smog is composed of solid solute particles in a gas solvent.

The science of smog – Kim Preshoff

The basic component of smog is:

The main component of photochemical smog is: