Sodium sulphate decahydrate (Na2SO4.10 H2O) on exposure to air loses all its water of crystallization….

Chemistry JAMB 1983

Sodium sulphate decahydrate (Na2SO4.10 H2O) on exposure to air loses all its water of crystallization.
The process of loss is known as

  • efflorescence checkmark
  • hygroscopy
  • deliquescence
  • effervescence
  • dehydration

The correct answer is: A

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