Which of the Following Is True About Chlorofluorocarbons

D All of these are true. A Sulphur b Chlorine c Sulphur dioxide d Nitrogen dioxide 8.

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Which of the following is true of the ionosphere.

. C It determines the intensity of sound and sound pollution. With reference to effect of green house gases which of the following isare true. Chlorofluorocarbons CFCs are synthetic chemicals that find a variety of important applications.

Click here for the answer. 2 CFCs first got their start in the early 1930s when new innovations such as the refrigerator and air conditioning were beginning to be introduced into homes and businesses throughout the world. C They are used to make foam products.

Which of the following statements concerning chlorofluorocarbon CFC is FALSE. Commonly known by the name Freon. I only 8Blue skies occur during the day due to.

8Which of the following statements is true about the Air Quality Index. Warmer air temperatures in urban areas compared to surrounding rural areas. A It indicates the colour of the air.

They are used in the manufacture of aerosol sprays blowing agents for foams and packing materials solvents and refrigerants. Chlorofluorocarbons are used as refrigerants O c. A CFCs 14 b Carbon dioxide 60 c N₂O 12 d Methane 20.

The various greenhouse gases are carbon dioxide methane chlorofluorocarbon ozone nitrous oxide and water vapor. Chlorofluorocarbons are used as repairers of the ozone layer O b. Radio waves from GPS are strengthened in the ionosphere.

All radio signals pass through this region virtually unaffected. Which of the following particles is called the particulate pollutants. Chlorofluorocarbons are used as refrigerants.

Which of the following statements is true about chlorofluorocarbons. Hence the gas which is not a greenhouse gas is nitrogen and the correct answer for the given question is option d. 67 67 Which of the following is true of chlorofluorocarbons.

A concentration of energy use in an urban area. 1 points each 26 points _____ A perfect pesticide should have a short half-life. A primary component of photochemical smog is.

It primarily absorbs harmful infrared wavelengths. Secondary rainbows occur in the order ROYGBIV. CFCs at the time were thought to be safe chemical compounds that were.

D It estimates air pollution mainly sulphur content in the air. C a Ozone b Radon c Fly Ash d Ethylene 7. It is also known as marsh gas or methyl hydride.

_____ The use of catalytic converters can reduce acid rain production. C Explanation- N 2 O 12 All the mentioned gases are contributors to global warming but the relative global warming potential of N 2 O is 6. Both i and ii d.

B It predicts ozone levels in your area. Hence statement 2 is also correct but it is not the correct explanation for statement 1. Methane CH 4 is a gas produced by a group of colonic anaerobes absorbed from the colon and excreted in expired air.

Answer the following questions truefalse. CFCs reach the stratosphere because of their chemical properties. C Which of the following agents is responsible for turning the Taj Mahal yellow.

Probably the widest use of CFCs was as refrigerants in refrigerators and air conditioners. B They have been used as propellants in spray cans. So the correct answer is Both statements 1 1 and 2 2 are true but statement 2 2 is not correct explanation of statement 1.

Methane is a colourless odourless gas. This is one example of the. There is a cause-and-effect relationship involving.

Neither i and i b. It is being depleted through interactions with human-produced chlorofluorocarbons. The urban heat island is.

_____ Acid rain is caused by the emission of chlorofluorocarbons into the atmosphere. Chlorofluorocarbons CFCs and hydrochlorofluorocarbons HCFCs contain carbon C hydrogen H chlorine Cl and fluorine F derivatives of methane ethane and propane. CFCs have been implicated in the destruction of the ozone layer.

Chlorofluorocarbons are used as fuel for air crafts d. Chlorofluorocarbons are used as repairers of the troposphere. Which is Not True for the Relative Contribution of Various Greenhouse Gases to Total Global Warming.

It is an international agreement that mandated at cutting greenhouse gas emissions and was signed in 1997. A They are used in refrigeration systems. Which of the following is true about rainbows.

CFCs take part in the destruction of atomospheric ozone. Changes to plant growth and nutrition levels 2. Chlorofluorocarbons contain carbon chlorine fluorine and bromine.

Chlorofluorocarbons CFCs are nontoxic nonflammable chemicals containing atoms of carbon chlorine and fluorine. Hence the gas which is not a greenhouse gas is nitrogen and the correct answer for the given question is option d. D Which of the following statements is true about SMOG.

Chlorofluorocarbons CFCs are a family of compounds containing chlorine fluorine and carbon. Purple can be seen in primary rainbows.

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