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An efflorescent compound is a substance that?

An efflorescent compound is a substance that?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Absorbs water froom the air without dissolving in it
  • B Is capable of giving off coloured luminosity
  • C Gives out water to the atmosphere
  • D Absorbs water from the air and dissolves in it
  • E Gives out its water of crystallization on heating
Correct Answer: Option C
Explanation:
Efflorescence is a phenomenon where a crystalline salt loses all or part of its water of crystallization when exposed to the atmosphere to form a lower dehydrate or an anhydrous salt.

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