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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 the sodium compound which is used for softening hard water.
Give two important uses of washing soda.
Name a metal carbonate which is soluble in water.
Name the metal whose carbonate is known as washing soda.
What is the common name of (a) NaHCO3 and (b) Na2CO3.10H2O?
What is washing soda?
State two properties and two uses of washing soda.
Write the formulae of sodium chloride and sodium carbonate.
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.
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.
Na2CO3.10H2O is ____________.
Correct the wrong statement given below:
Magnesium hydroxide is used in whitewashing buildings.
The name of the salt used to remove permanent hardness of water is ______.
