plz ans.......... The 2nd one....
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In Hcl irrating and pungent oudour is evolved and in
h2s rotten eggs smell is evolved
Hcl forms dense white fumes when a glass rod dipped in Nh4 solution is introduced in it
in H2S ,Hcl turns lead acetace paper to silvery black
h2s rotten eggs smell is evolved
Hcl forms dense white fumes when a glass rod dipped in Nh4 solution is introduced in it
in H2S ,Hcl turns lead acetace paper to silvery black
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