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प्रश्न
What is the common name of (a) NaHCO3 and (b) Na2CO3.10H2O?
उत्तर
a. NaHCO3 is commonly known as baking soda.
b. Na2CO3.10H2O is commonly known as washing soda.
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संबंधित प्रश्न
Name the metal whose carbonate is known as washing soda.
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.
State two uses each of the following compounds:
Hydrogen
What is meant by saying that washing soda has detergent properties?
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?
How many molecules of water of crystallisation (per formula unit) are present in:
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.
Correct the wrong statement given below:
Magnesium hydroxide is used in whitewashing buildings.
