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प्रश्न
State your observation when the following is exposed to the atmosphere.
Washing soda crystals
उत्तर
When washing soda (Na2CO3.10H2O) is exposed to air, it loses 9 molecules of water to form a monohydrate and a fluffy white deposit is formed on the surface of crystals
\[\ce{Na2CO3.10H2O →[air] Na2CO3.H2O + 9H2O}\]
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संबंधित प्रश्न
Give four substances which contain water of crystallization and write their common names.
Define efflorescence.
Define deliquescence.
Give reason for the following:
Anhydrous calcium chloride is used in a desiccator.
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Conc. Sulphuric acid
Why does common salt get wet during the rainy season?
Answer the question below:
Name a deliquescent salt.
State your observation when the following is exposed to the atmosphere.
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Name the salt which on hydrolysis forms basic. Give a balanced equation for the following reaction.
Name the salt which on hydrolysis forms neutral solution. Give a balanced equation for each reaction.
