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Cyanide
(CN-), fluorine (F2), Sulfur dioxide (SO2), phenol (
Cyanide
(CN-), fluorine (F2), Sulfur dioxide (SO2), phenol
(C6H5), carbon dioxide
(CO2) and carbon monoxide
(CO) are pollutants released by
Sulfur dioxide (SO2), soot and flu ash are pollutants releas
Sulfur dioxide (SO2), soot and flu ash are pollutants released by
Hydrocarbons
(alkanes and alkenes), oxides of nitrogen (NO,
Hydrocarbons
(alkanes and alkenes), oxides of nitrogen (NO, NO2) and Sulfur (SO, SO2, SO3) and fluorine (F2) are released by the
Assertion : The atmospheric concentration of CO2 at which ph
Assertion : The atmospheric concentration of CO2 at which photosynthesis just compensates for respiration is referred to as CO2 compensationpoint.
Reason : The CO2 compensation point is reached when the amount of CO2 uptake is less than that generated through respiration because the level of CO2 in the atmosphere is more than that required for achieving CO2 compensation point
Assertion: The atmospheric concentration of CO2 at which pho
Assertion: The atmospheric concentration of CO2 at which photosynthesis just compensates for respiration is referred to as CO2 compensation point
Reason: CO2-compensation point is reached when the amount of CO2 uptake is less than that generated through respiration because the level of CO2 is more than that required for achieving CO2-compensation point
What are correct? .... ....

a. Benzene hexachloride is non-
What are correct? .... ....

a. Benzene hexachloride is non-biodegradable pollutant

b. Anthropogenic air pollutants are natural in origin

c. Carbon monoxide is primary air pollutant

d. SO2 causes brown air effect during traffic congestion in cities
The combustion equations of carbon and carbon monoxide are a
The combustion equations of carbon and carbon monoxide are as follows:C + O2 = CO2, ΔH = - 394 kJ/kg
. mole CO + 1/2 O2 = CO2, ΔH = -284.
5 kJ/kg.mole.
The heat of formation of CO is __________ kJ/kg. mole
Very small amount of air pollutants are present in stratosph
Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in thetroposphere.
Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate
Directions : For the Assertion
(A) and Reason (R) below, cho
Directions : For the Assertion
(A) and Reason (R) below, choose the correct alternative  Assertion
(A) : Carbon monoxide when inhaled causesdeath.
  Reason (R) : Carbon monoxide combines with haemoglobin
'Safe limit' called Threshold Limit Value (TLV) of carbon mo
'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50ppm.
The main source of carbon monoxide pollutant in air is the

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