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प्रश्न
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
उत्तर
Litmus turns blue to red, and then gets bleached.
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संबंधित प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Name the catalyst used in the process.
What do you observe when barium chloride solution is added to dilute sulphuric acid ?
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Iron (II) sulphate from iron.
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Sodium Sulphate from sodium carbonate.
State one appropriate observation of the following:
Dehydration of Concentrated Sulphuric acid with sugar crystals
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Which property of sulphuric acid accounts for its use as a dehydrating agent ?
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
