Which of the following is an adsorbent for removal of nitrogen oxides from gas/air? (A) Active carbon (B) Silica gel (C) Bog iron (iron oxide) (D) Pulverised limestone

Which of the following is an adsorbent for removal of nitrogen oxides
from gas/air?
(A) Active carbon
(B) Silica gel
(C) Bog iron (iron oxide)
(D) Pulverised limestone
by

1 Answer

Answer :

(B) Silica gel
by

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