Ferrous sulfate solution reacts with sodium hydroxide solution to form a ______ precipitate of ferrous hydroxide.

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Solution

Ferrous sulfate solution (FeSO₄) reacts with sodium hydroxide solution (NaOH) to form ferrous hydroxide (Fe(OH)₂) and sodium sulfate (Na₂SO₄).
FeSO₄ (aq)+ 2NaOH(aq) $\to$ Fe(OH)₂(s) + Na₂SO₄ (aq)
In this reaction, Ferrous hydroxide is formed in the form of precipitates and can be separated out and sodium sulfate remains in the solution
The colour of the ferrous hydroxide formed is dirty green.
Final answer: Ferrous sulfate solution reacts with sodium hydroxide solution to form a dirty green precipitate of ferrous hydroxide.

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