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प्रश्न
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
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उत्तर
Cotton contains cellulose. When cotton is treated with concentrated sulphuric acid it removes water from cotton and carbon is left behind. This way cotton clothes get burnt.
\[\ce{(C6H10O5)n ->[Conc.H2SO4] 5(C)n + 6(H2O)n}\]
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संबंधित प्रश्न
Give two balanced reactions of the type to show the following property of sulphuric acid:
Non-volatile nature
Describe the reaction that show
Concentrated sulphuric acid is a dehydrating agent.
Why is sulphuric acid known as king of chemicals and oil vitriol ?
Give examples of the use of sulphuric acid as
An oxidizing agent
Give main difference between drying agent and dehydrating agent.
What do you observe when barium chloride solution is added to dilute sulphuric acid?
Write the equation of the following reaction:
Sulphur is heated with concentrated sulphuric acid.
In the given equation identify the role played by concentrated sulphuric acid S + 2H2SO4→ 3SO2 + 2H2O
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
Complete the table given below:
| Name of the process | Reactants | Acid product formed |
| (a) ______ | Nitrogen dioxide + water + oxygen | (b) ______ |
| (c) ______ | Oleum + water | Sulphuric acid |
