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प्रश्न
Define the following term : Dehydrating agent
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
Distinguish between the given pairs of compounds using the test given within brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
Name the products formed when hot and concentrated sulphuric acid reacts with Sugar.
Name the following:
Products obtained by treating zinc with dilute sulphuric acid.
Name the following :
The precipitate obtained by treating aqueous lead nitrate with dilute sulphuric acid.
Name the following:
The precipitate obtained by treating aqueous barium chloride with dilute sulphuric acid.
Give reason for the following:
H2SO4 cannot be prepared by heating sodium sulphate with conc. HCl or HNO3
In the given equation identify the role played by concentrated sulphuric acid S + 2H2SO4→ 3SO2 + 2H2O
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation each to illustrate the properties of sulphuric acid mentioned above.
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
