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प्रश्न
A white precipitate can be obtained by adding dilute sulphuric acid to:
(a) CuSO4 solution
(b) Nacl solution
(c) BaCl2 solution
(d) Na2SO4 solution
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उत्तर
(c) BaCl2 solution
BaCl2 + H2SO4 → BaSO4 + 2HCl
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