name the type of salts which do not form preciptates with naoh
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zinc chloride reacts with sodium hydrroxide to from a precipitate of zinc hydroxide . this precipitate dissolves in excess sodium hydroxide to form sodium zincate .
ZnCl2 +2NaOH —>Zn(OH)2 + 2NaCl
Zn(OH)2 + 2NaOH —> Na2ZnO2 + 2 H2O
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