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प्रश्न
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Iron (III) Chloride
उत्तर
Mass increases as it absorbs moisture from the atmospheric air.
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संबंधित प्रश्न
Give four substances which contain water of crystallization and write their common names.
Give reason for the following:
Sodium hydrogen sulphate is not an acid but it dissolves in water to give hydrogen ions, according to the equation
\[\ce{NaHSO4 <=> H+ + Na+ + SO^2-_4}\]
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.
Solid NaOH.
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Solid Na2CO3 .10H2O
Why does common salt get wet during the rainy season?
Name two crystalline substances which do not contain water of crystallization.
State your observation when the following is exposed to the atmosphere.
Washing soda crystals
State your observation when the following is exposed to the atmosphere.
Iron (III) chloride salts
Name the salt which on hydrolysis forms neutral solution. Give a balanced equation for each reaction.
