Dr. Khan dissolved three salts Cu(NO3)2, NaHCO3 and (NH4)2SO4 in water to make a saturated solution. Islamian genius told him that the result solution

  • (A) must be neutral
  • (B) must be basic
  • (C) must be acidic
  • (D) may be acidic, basic or neutral depending on the temperature;
Correct Answer: C

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