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

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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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