Question: H 2 S present in gaseous stream can be removed by adsorption on
Options
A : silica gel
B : active carbon
C : bog iron
D : limestone powder
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Tolerable limit of nitrogen oxides in air is __________ ppm.
Iron & manganese present as pollutant in water can not....
In water chemical treatment plant, use of chloramines ensures
Which of the following is the common pollutant emitted from....
During which of the following operating conditions of an automobile,....
Inhalation of lead compounds present in automobile exhaust (using leaded....
Replenishment of dissolved oxygen in water stream polluted with industrial....
Aerodynamic noise resulting from turbulent gas flow is the most....
Fluorosis (a bone disease) is caused by the presence of....
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