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A chemist mixes two colorless aqueous solutions X and Y. A white precipitate Z forms instantly. Later, analysis shows Z is insoluble calcium carbonate. Which pair of solutions was most likely used?
ZnSO โ and FeCl โ
NaCl and KNO โ
HCl and NaOH
Na โ CO โ and CaCl โ Question ID : 4410091825957 Option 1 ID : 4410097198081 Option 2 ID : 4410097198078 Option 3 ID : 4410097198080 Option 4 ID : 4410097198079 Status : Answered Chosen Option : D
Na โ CO โ and CaCl โ Question ID : 4410091825957 Option 1 ID : 4410097198081 Option 2 ID : 4410097198078 Option 3 ID : 4410097198080 Option 4 ID : 4410097198079 Status : Answered Chosen Option : D
Practice and solve "A chemist mixes two colorless aqueous solutions X and Y. A white precipitate Z forms instantly. Late..." for General Science - Previous Year Paper 2026. The correct answer is Option D: Na โ CO โ and CaCl โ Question ID : 4410091825957 Option 1 ID : 4410097198081 Option 2 ID : 4410097198078 Option 3 ID : 4410097198080 Option 4 ID : 4410097198079 Status : Answered Chosen Option : D. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A chemist mixes two colorless aqueous solutions X and Y. A white precipitate Z forms instantly. Late..." for General Science - Previous Year Paper 2026. The correct answer is Option D: Na โ CO โ and CaCl โ Question ID : 4410091825957 Option 1 ID : 4410097198081 Option 2 ID : 4410097198078 Option 3 ID : 4410097198080 Option 4 ID : 4410097198079 Status : Answered Chosen Option : D. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.