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प्रश्न
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
उत्तर
When concentrated sulphuric acid is exposed to air, it absorbs water vapours from the atmosphere thus increasing its volume and becoming dilute.
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संबंधित प्रश्न
Write balanced chemical equations to show : The oxidizing action of conc. Sulphuric acid on carbon
Distinguish between the given pairs of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with Ethanol?
Name the products formed when hot and concentrated sulphuric acid reacts with Sulphur.
Name the following:
The precipitate obtained by treating carbon with hot concentrated sulphuric acid.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Iron (II) sulphate from iron.
Give balanced chemical equation for the action of sulphuric acid of the following:
Potassium hydrogen carbonate
Give balanced chemical equation to prepare the following salt:
Lead sulphate from lead carbonate
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid, (using lead nitrate solution).
