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प्रश्न
Why is concentrated sulphuric acid kept in air tight bottles?
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उत्तर
Concentrated sulphuric acid is a hygroscopic substance that absorbs moisture when exposed to air. Hence, it is stored in air tight bottles.
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संबंधित प्रश्न
What would you observe in the following case?
Hot concentrated sulphuric acid is added to sodium chloride crystals.
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Sulphur dioxide
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.
State one appropriate observation of the following:
Concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.
Which property of sulphuric acid accounts for its use as a dehydrating agent ?
Give two balanced reactions of the type to show the following property of sulphuric acid:
Dehydrating nature
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
Write a balanced equation for the following conversion:
Lead sulphate from lead nitrate and sulphuric acid.
Complete the table given below:
| Name of the process | Reactants | Acid product formed |
| (a) ______ | Nitrogen dioxide + water + oxygen | (b) ______ |
| (c) ______ | Oleum + water | Sulphuric acid |
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
What is the property of sulphuric acid that makes it a suitable reagent for the reaction?
