Question
Name the gas evolved when zinc granules are treated/ heated with:
sodium hydroxide solution.
sodium hydroxide solution.
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$\text{CuSO}_4\ +\ \text{NaOH}\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ \ }\text{Cu(OH)}_2\ +\ \text{Na}_2\text{SO}_4$
$\text{Ca(OH)}_2\ +\ \text{CO}_2\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ \ }\text{CaCO}_3\ +\ \text{H}_2\text{O}$
