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प्रश्न
What is meant by saying that washing soda has detergent properties?
उत्तर
By saying that washing soda has detergent properties, or cleansing properties, one means that it can remove dirt and grease from dirty clothes, etc. It attacks dirt and grease to form water-soluble products, which are washed away on rinsing with water.
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संबंधित प्रश्न
Name the metal whose carbonate is known as washing soda.
What is the common name of (a) NaHCO3 and (b) Na2CO3.10H2O?
Fill in the following blank:
Chemical formula of washing soda is ..................
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.
Describe how washing soda is produced starting from sodium chloride (common salt). Write equations of all the reactions involved.
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.
Na2CO3.10H2O is ____________.
The name of the salt used to remove permanent hardness of water is ______.
