Advertisements
Advertisements
Question
Give reason for the following:
Anhydrous calcium chloride is used in a desiccator.
Solution
Desiccating agents are used to absorb moisture. Anhydrous calcium chloride (CaCl2) has the capacity of absorbing moisture as it is hygroscopic in nature. So, it is used in a desiccator.
APPEARS IN
RELATED QUESTIONS
Define efflorescence.
Define deliquescence.
Distinguish between drying and dehydrating agent.
Explain clearly how conc, H2SO4 is used as dehydrating as well as drying agent.
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Solid CaCI2
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Solid Na2CO3 .10H2O
How can this impurity be removed?
List the properties of salts.
Answer the question below:
What name is given to the water in the compound copper sulphate-5-water?
Answer the question below:
If copper sulphate-5-water is heated, anhydrous copper sulphate is formed. What is its colour?