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प्रश्न
Fill in the following blank:
Chemical formula of washing soda is ..................
उत्तर
Chemical formula of washing soda is Na2CO3.10H2O.
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संबंधित प्रश्न
State two properties and two uses of 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.
State two uses each of the following compounds:
Hydrogen
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?
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?
Write the chemical formula.
Washing soda
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.
Correct the wrong statement given below:
Magnesium hydroxide is used in whitewashing buildings.
