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प्रश्न
Define the following term : Dehydrating agent
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उत्तर
Dehydrating agent : The compound which has more affinity for water. It removes atoms of hydrogen and oxygen in the form of waterfrom the composition of a substance.
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संबंधित प्रश्न
Name the products formed when hot and concentrated sulphuric acid reacts with NaOH.
Why is concentrated sulphuric acid kept in air tight bottles?
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
Give reason for the following:
When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
Choose the current answer from the options given below :
The catalyst used for the oxidation of SO2 to SO3 in contact process is
What would you see, when a crystal of CuSO4.5H2O is placed in concentrated sulphuric acid? Give reason to explain your observation.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
Give a balanced chemical equation for the action of sulphuric acid on the following:
Sulphur
Distinguish between the following pair of compounds using the test given with brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
State the method of collection of the gas formed above.
