Question

Colloidal sulphur is obtained when

• A. sulphur is treated with $H_2SO_4$
• B. sulphur is strongly heated
• C. sulphur is heated with $HNO_3$
• D. $H_2S$ gas is passed through dil. $HNO_3$

Answer 1

Answer: (D)

$H_2S$ gas is passed through dil. $HNO_3$

Answer 2

Answer (d) $H_2S$ gas is passed through dil. $HNO_3$