Question

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Answer 1

(a) Ram observes the formation of a white-coloured precipitate.

(b) It is a chemical change.

(c) The ions that are present in the aqueous solution are Na⁺, Ba⁺², SO₄⁻² and Cl⁻.

(d) Ba⁺² and SO₄⁻² ions associate and form a white precipitate known as Barium sulphate.

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