Related Questions

Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes
A Poor visibility due to sky darkening
B Irritation in eyes
C Respiratory trouble
D All of the above
Often visible as smog , ozone is formed in the atmosphere form" hydrocarbons and nitrogen oxides , two major pollutants emitted by automobiles react with sunlight .
A ozone is formed in the atmosphere from
B ozone is formed in the atmosphere when
C ozone is formed in the atmosphere when
D ozone is formed in the atmosphere ,and when
Choose the correct option to replace the quotation part of each sentence. Often visible as smog, 'ozone is formed in the atmosphere from' hydrocarbons and nitrogen oxides, two major pollutants emitted by automobiles, react with sunlight.
A ozone is formed in the atmosphere from
B ozone is formed in the atmosphere when
C ozone is formed in the atmosphere, and when
D ozone, formed in the atmosphere when
Presence of high concentration of ozone and smog in atmospheric air causes the
A Embrittlement & decrease of folding resistance of paper
B Cracking of rubber products
C Fading of dye on textiles
D Damage of electrical insulator on high tension power line
The smog is essentially caused by the presence of
A O3 and N2
B O2 and N2
C Oxides of N and S
D O2 and O3
Photochemical smog is formed from automobile exhaust
A By reaction of hydrocarbon & nitric oxide in presence of sunlight
B Appears only on sunny days
C Is harmful for crops and trees also besides causing eye irritation & asthma
D All of the above
Which of the following is not a component of Smog?
A Volatile organic compounds
B Nitrogen Oxide
C Sulphur dioxide
D Chlorine oxide
Which of the following diseases are not caused by smog?
A Rickets
B Throat cancer
C Skin cancer
D Breathing problem
The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called
A air pollution
B water pollution
C soil pollution
D radioactive pollution
SMOG হচ্ছে -
A সিগারেটের ধোঁয়া
B কুয়াশা
C কালেধোঁয়া
D দূষিত বাতাস

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