When We Add Water To Sulphur Dioxide And Put A Blue Litmus Paper In It Why Does It Turn Red ?

Academic Chemistry NCERT Class 8

Dear Alisha,

When we add water to Sulphur dioxide, it becomes Sulphuric Acid. As acids changes blue litmus to red, therefore sulphuric acid changes the colour of blue litmus to red.

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Updated on: 10-Oct-2022

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