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Water can be identified by the use of?

Chemistry
JAMB 1993
Water can be identified by the use of?
  • A. anhydrous copper (II) tetraoxosulphate (VI)
  • B. anhydrous sodium trioxocarbonate (IV)
  • C. potassium heptaoxochromate (VII)
  • D. copper (II) trioxocaronate (IV)
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Correct Answer: Option A
Explanation
Anhydrous CuSO4 will turn blue with water
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