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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
Name a metal carbonate which is soluble in water.
What is the common name of (a) NaHCO3 and (b) Na2CO3.10H2O?
What is 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.
Consider the following substances:
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2, CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
Which four substances are utilised in the production of washing soda?
Give a scientific explanation.
The hard water of a well becomes soft on adding washing soda to it.
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 ______.
