46ᵗʰ B.P.S.C. (Pre) 2004
The smoke emanating from ammonium chloride powder used for cleaning hot utensils while galvanizing brass utensils is -
aAmmonia
bCarbon monoxide
cChloric acid of hydrogen
dAmmonia and hydrochloric acid✓ Correct
Explanation
While galvanizing brass utensils, the smoke emanating from ammonium chloride powder used for cleaning the hot utensil is ammonia and hydrochloric acid.
general-science