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प्रश्न
Name a metal carbonate which is soluble in water.
उत्तर
Washing soda (sodium carbonate decahydrate) is soluble in water. It has the formula `Na_2 CO_3 . 10H_2O.`
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संबंधित प्रश्न
Fill in the following blank:
Sodium hydrogen carbonate is .................. soda whereas sodium carbonate is ................. soda.
What is washing soda?
Explain why an aqueous solution of sodium chloride is neutral but an aqueous solution of sodium carbonate is basic (or alkaline). Write chemical equations of the reactions involved.
Describe how washing soda is produced starting from sodium chloride (common salt). Write equations of all the reactions involved.
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?
How many molecules of water of crystallisation (per formula unit) are present in:
washing soda?
Na2CO3.10H2O is ____________.
Chemical formula of washing soda is ____________.
The name of the salt used to remove permanent hardness of water is ______.
