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प्रश्न
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.
उत्तर
- Baking soda is used for making cakes and bread soft, spongy.
- Calcium Oxychloride hemihydrate is used in textile industry.
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संबंधित प्रश्न
What is the common name of (a) NaHCO3 and (b) Na2CO3.10H2O?
Fill in the following blank:
Chemical formula of washing soda is ..................
Fill in the following blank:
Sodium hydrogen carbonate is .................. soda whereas sodium carbonate is ................. soda.
State two properties and two uses of washing soda.
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.
The number of molecules of water of crystallization in washing soda is ______.
Give a scientific explanation.
The hard water of a well becomes soft on adding washing soda to it.
Na2CO3.10H2O is ____________.
Chemical formula of washing soda is ____________.
Correct the wrong statement given below:
Magnesium hydroxide is used in whitewashing buildings.
