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प्रश्न
Write the name and formula of one salt each which contains:
ten molecules of water of crystallisation
उत्तर
Washing soda crystals (sodium carbonate crystals) contain 10 molecules of crystallisation in one formula unit. The chemical formula is Na2CO3.10H2O (sodium carbonate decahydrate).
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संबंधित प्रश्न
Fill in the following blank:
Chemical formula of washing soda is ..................
Fill in the following blank:
Sodium hydrogen carbonate is .................. soda whereas sodium carbonate is ................. soda.
State two properties and two uses of washing soda.
Describe how washing soda is produced starting from sodium chloride (common salt). Write equations of all the reactions involved.
State whether an aqueous solution of washing soda is acidic or alkaline? Give reason for your answer.
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?
Give a scientific explanation.
The hard water of a well becomes soft on adding washing soda to it.
Write the chemical formula.
Washing soda
Chemical formula of washing soda is ____________.
