State the observation and inference made by a student when he brings a moist blue litmus paper in contact with the gas liberated during thermal decomposition of ferrous sulphate.
When wet blue litmus paper is brought near the gas liberated : It turns red , due to acidic nature of sulphur oxides . When wet red litmus paper is brought near the gas liberated : It has no effect because they are acidic not alkaline .
Answers & Comments
Verified answer
Answer:
When wet blue litmus paper is brought near the gas liberated : It turns red , due to acidic nature of sulphur oxides . When wet red litmus paper is brought near the gas liberated : It has no effect because they are acidic not alkaline .