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Per NCERT, in Activity 9.3 mixing sodium sulfate solution with barium chloride solution in a closed system, what product is observed?
AColour change to red
BA white precipitate of barium sulfate (along with sodium chloride in solution)
CNo reaction occurs
DGas evolution
Answer & Solution
Correct answer: B. A white precipitate of barium sulfate (along with sodium chloride in solution)
Per NCERT §9.1 Activity 9.3, Na₂SO₄ + BaCl₂ → BaSO₄ (white precipitate) + 2 NaCl. The other options misstate.
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