Advertisements
Advertisements
प्रश्न
Write the name and formula of one salt each which contains:
ten molecules of water of crystallisation
उत्तर
Washing soda crystals (sodium carbonate crystals) contain 10 molecules of crystallisation in one formula unit. The chemical formula is Na2CO3.10H2O (sodium carbonate decahydrate).
APPEARS IN
संबंधित प्रश्न
Name the metal whose carbonate is known as washing soda.
What is washing 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.
State two uses each of the following compounds:
Hydrogen
What is meant by saying that washing soda has detergent properties?
The number of molecules of water of crystallization in washing soda is ______.
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?
Na2CO3.10H2O is ____________.
Correct the wrong statement given below:
Magnesium hydroxide is used in whitewashing buildings.