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प्रश्न
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Solid CaCI2
उत्तर
Mass increases as being a deliquescent substance.
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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
Give four substances which contain water of crystallization and write their common names.
Define efflorescence.
Explain clearly how conc, H2SO4 is used as dehydrating as well as drying agent.
Give reason for the following:
Sodium hydrogen sulphate is not an acid but it dissolves in water to give hydrogen ions, according to the equation
\[\ce{NaHSO4 <=> H+ + Na+ + SO^2-_4}\]
Name the salt which on hydrolysis forms acidic. Give a balanced equation for the following reaction.
The hydrated salt of copper sulphate has ______.
Answer the question below:
If copper sulphate-5-water is heated, anhydrous copper sulphate is formed. What is its colour?
Name the salt which on hydrolysis forms basic. Give a balanced equation for the following reaction.
Name the salt which on hydrolysis forms neutral solution. Give a balanced equation for each reaction.
