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प्रश्न
Give reason for the following:
Concentrated sulphuric acid is kept in airtight bottles.
उत्तर
Concentrated sulphuric acid absorbs water vapours from the atmosphere. Hence it should be kept in air tight bottles.
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संबंधित प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Potassium hydrogen carbonate.
Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with Carbon?
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid.
Name the products formed when hot and concentrated sulphuric acid reacts with Carbon.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
How will you distinguish between dilute H2SO4 and conc. H2SO4 ?
The following statement is correct only under certain conditions. Rewrite the statement including the appropriate conditions.
Oxalic acid reacts with sulphuric acid to produce carbon monoxide and carbon dioxide.
Name the catalyst used in the process.
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with iron (II) sulphide.
The gas evolved when dilute sulphuric acid reacts with iron sulphide.