State your observation – 1. A piece of moist blue litmus paper 2. – InterviewSolution

1.

State your observation – 1. A piece of moist blue litmus paper 2. Paper soaked in potassium permanganate solution- is introduced into a gas jar of sulphur dioxide.

Answer»

1. Moist blue litmus turns red and finally colourless as SO₂ act as an acidic gas and then a bleaching agent.

2. The pink colour of potassium permanganate paper turns colourless because of bleaching property of sulphur dioxide.

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