Which pollutant from motor-car exhaust causes a mental disease?

  • A
    $NO_2$
  • B
    $SO_2$
  • C
    $Pb$
  • D
    $Hg$

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$A$ : $ESP$ can remove particulate matter by more than $99\;\%$.
$R$ : Anode attracts the particles and provides a positive charge to them,allowing them to fall.

Which one of the following pesticides is banned now-a-days?

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