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प्रश्न
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
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उत्तर
Litmus turns blue to red, and then gets bleached.
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संबंधित प्रश्न
Write balanced chemical equations to show The dehydrating property of conc. Sulphuric acid with sugar.
State the inference drawn from the following observations:
Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.
Why is water not added to concentrated H2SO4 in order to dilute it?
Why is H2SO4 is not used as a drying agent for H2S?
Name the Following:
The property used to prepare HCl and HNO3 from H2SO4.
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
Which concentrated acid oxidizes sulphur directly to sulphuric acid ? Write the equation for the same. What is the name of the process by which sulphuric acid is manufactured ? Name the catalyst used in the process.
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Iron (II) sulphate from iron.
Write the balanced chemical equation for the following conversion:
Ammonium sulphate from ammonia and dilute sulphuric acid.
Name the acid formed when sulphur dioxide dissolves in water.
