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प्रश्न
What do you observe when ferrous sulphate solution is added to an aqueous solution of sodium hydroxide.
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उत्तर
When ferrous sulphate solution is added to sodium hydroxide solution, a dirty green ppt. of ferrous hydroxide is formed.
FeSO4 (aq) + 2NaOH (aq) → Fe(OH)2 ↓ + Na2SO4(aq)
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