Residence time of methane in the atmosphere is___________________?

Related Mcqs:

Hypochlorous acid is used for disinfecting the water it reacts with the dissolved ammonia producing___________________?

A. NH2Cl B. NHCI2 C. NCI2 D. all of the above...

Acid present in acid rain may be__________________?

A. H2SO4 B. HNO3 C. both A and B D. none...

Which of the following is not a secondary pollutant_________________?

A. ozone B. carbonic acid C. sulphuric acid D. carbon dioxide...

Major cause of SO2 on global scale is__________________?

A. volcanoes B. electric sparks C. combustion D. all...

The yellow colour in photochemical smog is due to presence of__________________?

A. dinitrogen oxide B. nitrogen dioxide C. chlorine gas D. chlorine dioxide...