Advertisements
Advertisements
Question
Give examples of efflorescence.
Solution
Blue vitriol [CuSO4.5H2O], Green vitriol [FeSO4.7H2O], Washing soda [Na2CO3.10H2O]
RELATED QUESTIONS
What do you understand by water of crystallization?
Define efflorescence.
Define deliquescence.
Give reason for the following:
Anhydrous calcium chloride is used in a desiccator.
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Conc. Sulphuric acid
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Iron (III) Chloride
Why does common salt get wet during the rainy season?
How can this impurity be removed?
State your observation when the following is exposed to the atmosphere.
Washing soda crystals
Name the salt which on hydrolysis forms neutral solution. Give a balanced equation for each reaction.
