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प्रश्न
The number of molecules of water of crystallization in washing soda is ______.
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उत्तर
The number of molecules of water crystallization in washing soda is 10.
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संबंधित प्रश्न
Give two important uses of washing soda.
What is the common name of NaHCO3?
Sodium hydrogencarbonate is ______ soda whereas sodium carbonate is ______ soda.
What is 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 two uses of the following compound:
Hydrogen
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
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.
Na2CO3.10H2O is ____________.
Correct the wrong statement given below:
Magnesium hydroxide is used in whitewashing buildings.
