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प्रश्न
Explain clearly how conc, H2SO4 is used as dehydrating as well as drying agent.
उत्तर
Conc. sulphuric acid is hygroscopic in nature and can remove moisture from other substances; therefore, it is used as a drying agent. It is also used as a dehydrating agent because it has a strong affinity for water and thus absorbs water quickly from compounds.
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संबंधित प्रश्न
From the list of the following salts choose the salt that most appropriately fits the description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
A deliquescent salt
Define efflorescence.
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Solid NaOH.
Why does common salt get wet during the rainy season?
State your observation when the following is exposed to the atmosphere.
Washing soda crystals
The hydrated salt of copper sulphate has ______.
Give examples of efflorescence.
Give examples of deliquescence.
Answer the question below:
Why hydrated copper sulphate turns white on heating.
Name the salt which on hydrolysis forms neutral solution. Give a balanced equation for each reaction.
