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प्रश्न
What is washing soda?
उत्तर
Washing soda is sodium carbonate. It contains 10 molecules of water of crystallisation and is also known as sodium carbonate decahydrate. The chemical formula is Na2CO3.10H2O.
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संबंधित प्रश्न
Name the sodium compound which is used for softening hard water.
Fill in the following blank:
Chemical formula of washing soda is ..................
State two properties and two uses of washing soda.
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.
Give a scientific explanation.
The hard water of a well becomes soft on adding washing soda to it.
Write the chemical formula.
Washing soda
Answer the following question.
How is washing soda prepared from sodium carbonate? Give its chemical equation. State the type of this salt. Name the type of hardness of water that can be removed by it?
The name of the salt used to remove permanent hardness of water is ______.
