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Question
What colour is produced when H₂S gas is passed through a solution of potassium dichromate acidified with dilute sulphuric acid?
(a) Orange
(b) Violet
(c) Green
(d) Deep blue
WBBSE
Class X
Physical Science
Inorganic Chemistry
01 Mark
2025
Answer
(c) Green
Explanation:
H₂S properties include reaction with acidified potassium dichromate, turning the solution green
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