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प्रश्न
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Solid Na2CO3 .10H2O
उत्तर
Mass decreases due to efflorescence.
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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
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Solid NaOH.
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Conc. Sulphuric acid
Name two crystalline substances which do not contain water of crystallization.
State your observation when the following is exposed to the atmosphere.
Washing soda crystals
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?
Answer the question below:
Why hydrated copper sulphate turns white on heating.
State your observation when the following is exposed to the atmosphere.
Iron (III) chloride salts
Name the salt which on hydrolysis forms basic. Give a balanced equation for the following reaction.
