Correct option – D. Sodium chloride. When aqueous barium chloride reacts with aqueous sodium sulphate, barium sulphate precipitates and sodium chloride remains in the solution. Thus the aqueous solution formed contains NaCl with BaSO₄ as solid precipitate. cbse sample paper 2025 ...
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The digested food is taken up by the inner lining of the intestine with the help of finger-like projections or villi which increase the surface area for the absorption. cbse sample paper 2026 cbse sample paper 2025-26 class 10