When ferrous sulphate $({FeSO}_{4})$ solution combines with sodium hydroxide $(NaOH)$ , the chemical change is identified by the .

formation of gas

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formation of ppt

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absoprtion of heat

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Solution

The correct option is B formation of ppt
When sodium hydroxide is added to ferrous sulphate solution, a dirty green coloured precipitate (ppt) of ferrous hydroxide, ${Fe(OH)}_{2}$ , is formed.

This confirms that a chemical change, i.e., a chemical reaction has occurred.
$F e S O_{4} (a q) + 2 N a O H (a q) \to F e (O H)_{2} (s) + N a_{2} S O_{4} (a q)$

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Similar questions

({FeSO}_{4})

(NaOH)

State your observation with chemical equation :

Aqueous solution of ferrous sulphate is treated with sodium hydroxide

Zn + HCl \underset{}{\to} {ZnCl}_{2} + H_{2}

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