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WAEC Chemistry 2021 Objective — Question 17

Question 17 of 50 from the West African Examinations Council (WAEC) Chemistry 2021 Objective paper, with the correct answer and a full explanation.

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17. The basic property of salts used as drying agents is

  • A. efflorescence.
  • B. high melting point.
  • C. hygroscopy.Correct
  • D. low solubility.

Explanation

Drying agents are hygroscopic — they absorb moisture from the surrounding atmosphere.

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