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Question

Which of these is a solid pollutant?
(a) SPM
(b) carbon monoxide
(c) nitrogen oxides
(d) sulphur dioxide


Solution

(a) SPM

Suspended Particulate Matter (SPM) consists of mist, dust, fumes and smoke. Common chemicals that constitute SPM are nickel, arsenic and lead. When these particles are inhaled, they tend to accumulate in the lungs and cause respiratory problems and damage the lungs.

Science
Living Science (2020, 2021)
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