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In the reaction Na₂SO₄ + BaCl₂ → BaSO₄ + 2 NaCl, what is observed?
AA white precipitate forms
BA gas is evolved
CA colour change to blue
DNo visible change
Answer & Solution
Correct answer: A. A white precipitate forms
BaSO₄ is insoluble in water and appears as a white precipitate. This is a double-displacement reaction.
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