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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
Give two important uses of washing soda.
What is the common name of (a) NaHCO3 and (b) Na2CO3.10H2O?
Fill in the following blank:
Sodium hydrogen carbonate is .................. soda whereas sodium carbonate is ................. soda.
State two properties and two uses of washing soda.
State whether an aqueous solution of washing soda is acidic or alkaline? Give reason for your answer.
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?
Give a scientific explanation.
The hard water of a well becomes soft on adding washing soda to it.
Chemical formula of washing soda is ____________.
The name of the salt used to remove permanent hardness of water is ______.
