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Acids, Bases and Salts — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceAcids, Bases and Salts2 Marks
Question
What happens when zinc granules are heated with sodium hydroxide solution?
Write equation of the reaction which takes place.
✓

Answer

When zinc granules are heated with sodium hydroxide solution, then sodium zincate salt and hydrogen gas are formed.
$\underset{\substack{\text { Sodium Hydroxide } \\ \text { (Base) }}}{2 NaOH ( aq )}+\underset{\text { Carbon dioxide }}{ Zn ( s ) \xrightarrow{\text { Heat }}} \underset{\substack{\text { Calctum carbonate } \\ (salt)}}{ Na _2ZnO_2}+\underset{\text { Water }}{ H _2(g)}$

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