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प्रश्न
Why is water not added to concentrated H2SO4 in order to dilute it?
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उत्तर
To dilute conc. H2SO4 water is not used, but acid is introduced to water in a regulated manner. When we introduce water to the acid, the temperature rises dramatically, causing the bulk acid to explode with disastrous consequences.
संबंधित प्रश्न
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Name the products formed when hot and concentrated sulphuric acid reacts with NaOH.
Give examples of the use of sulphuric acid as
Non-volatile acid
Choose the current answer from the options given below :
When conc. H2SO4 comes in contact with sugar, it becomes black due to
Give one equation to show the following property of sulphuric acid:
Acidic nature
Give a balanced chemical equation for the action of sulphuric acid on the following:
Potassium hydrogen carbonate
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid (using lead nitrate solution).
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
The property exhibited by concentrated sulphuric acid when it is used to prepare hydrogen chloride gas from potassium chloride is ______.
