Mercury is emitted into air by :...

Mercury is emitted into air by :

A

Burning coal

B

Burning garbage

C

Coal fire

D

Steam engine

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The correct Answer is:

B

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The following reactions accur in the stratosphere :
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Particulates (< 10^(-6) m size )remaining suspended in air indefinitel...
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Mercury is emitted into air by :
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Persons working in cement plants and lime stone quarries are prone to ...
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Main source of lead pollution is from :
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Which of the following is secondary air pollutant?
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Which of the following is not green house gas(es) ?
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Which of the following is not a pollutant ?
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Though air pollutant, this gas acts as umbrella of life on earth :
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The progressive warming up of the earth surface is mainly due to :
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Highly toxic gas which causes headache, visual paralysis and even deat...
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Depletion of ozone layer causes :
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The size of particulates of H2SO4 fog lies in the range :
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Which of the following is not a greenhouse gas ?
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White lung cancer' is caused by :
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The depletion of ozone layer in the stratosphere would lead to :
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Ozone layer is present in :
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Which causes water pollution ?
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Which of the following is a secondary pollutant?
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Which is not an example of gaseous air pollutants ?
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