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प्रश्न
Write the chemical formula.
Washing soda
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उत्तर
Na2CO3.10H2O
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संबंधित प्रश्न
Name a metal carbonate which is soluble in water.
What is washing soda?
State two properties and two uses of washing soda.
Write the formulae of sodium chloride and sodium carbonate.
What is meant by "water of crystallisation" in a substance? Explain with an example.
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?
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?
The number of molecules of water of crystallization in washing soda is ______.
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 ____________.
The name of the salt used to remove permanent hardness of water is ______.
