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प्रश्न
State your observations when Concentrated Sulphuric acid is added to Sugar Crystals
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उत्तर
When sugar reacts with conc. H2SO4, it gives a black spongy mass of carbon which is called sugar charcoal.
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संबंधित प्रश्न
Write balanced chemical equations to show how SO3 is converted to Sulphuric acid in the contact process.
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Why is H2SO4 is not used as a drying agent for H2S?
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
Give examples of the use of sulphuric acid as
Non-volatile acid
What would you see, when a crystal of CuSO4.5H2O is placed in concentrated sulphuric acid? Give reason to explain your observation.
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.
Give a balanced chemical equation for the action of sulphuric acid on the following:
Sulphur
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
