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Question
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
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Solution
Litmus turns blue to red, and then gets bleached.
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RELATED QUESTIONS
Give two balanced reactions of the type to show the following property of sulphuric acid:
Acidic nature
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Dilute sulphuric acid is added to ferrous sulphate solution.
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When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
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Give main difference between drying agent and dehydrating agent.
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Concentrated sulphuric acid is poured over sugar
A, B and C are the chemical properties of sulphuric acid:
A. Oxidizing agent
B. Dehydrating agent
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Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.
1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
2. \[\ce{C12H22O11 -> 12C + 11H2O}\]
3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
