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Question
Fill in the following blank:
Chemical formula of washing soda is ..................
Solution
Chemical formula of washing soda is Na2CO3.10H2O.
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RELATED QUESTIONS
Name the metal whose carbonate is known as washing soda.
Fill in the following blank:
Sodium hydrogen carbonate is .................. soda whereas sodium carbonate is ................. soda.
What is washing soda?
State two properties and two uses of washing soda.
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
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.
Correct the mistakes:
- Washing soda is used for making cakes and bread soft, spongy.
- Calcium sulphate hemihydrate is used in textile industry for bleaching cloths.
Na2CO3.10H2O is ____________.
