Which of the following gases is the main cause of acid rain ?
A. CO
B. NO2
C. both a & b
D. none of the above
Chemistry Mcqs
Which of the following is not primary pollutant__________________?
Which of the following is not primary pollutant__________________?
A. SO3
B. CO
C. NO
D. H2SO4
The yellow colour in photochemical smog is due to presence of__________________?
The yellow colour in photochemical smog is due to presence of__________________?
A. dinitrogen oxide
B. nitrogen dioxide
C. chlorine gas
D. chlorine dioxide
Major cause of SO2 on global scale is__________________?
Major cause of SO2 on global scale is__________________?
A. volcanoes
B. electric sparks
C. combustion
D. all
Which of the following is not a secondary pollutant_________________?
Which of the following is not a secondary pollutant_________________?
A. ozone
B. carbonic acid
C. sulphuric acid
D. carbon dioxide
Requirement of macronutrient per acre of the land is_________________?
Requirement of macronutrient per acre of the land is_________________?
A. 5 to 200 kg
B. 20-200 kg
C. 200-400 kg
D. 30-400 kg
Which of the following is not a heavy industry ?
Which of the following is not a heavy industry ?
A. iron
B. fertilizer
C. paper
D. none
Pollutants have adverse effect over_________________?
Pollutants have adverse effect over_________________?
A. Biosphere
B. Ecosystem
C. Both a & b
D. Hydrosphere
The main product of bacterial action is_________________?
The main product of bacterial action is_________________?
A. Nox
B. NO2
C. N2O3
D. NO
The percentage of suspended solid waste in raw water is removed by coagulation is__________________?
The percentage of suspended solid waste in raw water is removed by coagulation is__________________?
A. 60
B. 70
C. 80
D. 90