Advertisements
Advertisements
प्रश्न
What is meant by "water of crystallisation" in a substance? Explain with an example.
उत्तर
he water molecules that form part of the structure of a crystal of a salt are called water of crystallisation. For example, washing soda crystals (or sodium carbonate crystals) contain 10 molecules of water of crystallisation in one formula unit. It is represented as, Na2CO3.10H2O. It is also called sodium carbonate decahydrate the last part of name coming from ten molecules of water present in the crystal structure.
APPEARS IN
संबंधित प्रश्न
Name a metal carbonate which is soluble in water.
What is the common name of (a) NaHCO3 and (b) Na2CO3.10H2O?
What is washing soda?
State two properties and two uses of washing soda.
What is meant by saying that washing soda has detergent properties?
Consider the following substances:
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2, CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
Which four substances are utilised in the production of washing soda?
Write the name and formula of one salt each which contains:
ten molecules of water of crystallisation
The number of molecules of water of crystallization in washing soda is ______.
Chemical formula of washing soda is ____________.
The name of the salt used to remove permanent hardness of water is ______.
