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प्रश्न
Write the chemical formula.
Washing soda
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उत्तर
Na2CO3.10H2O
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संबंधित प्रश्न
Give two important uses of washing soda.
Name a metal carbonate which is soluble in water.
Chemical formula of washing soda is ______.
What is washing soda?
State two properties 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.
What is meant by “water of crystallisation” in a substance? Explain with an example.
Name a sodium compound which is used for making borax and glass.
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 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 ____________.
