What happens when Zinc garanules are treated with diluted solution of H2SO4,HCl,HNO3,NaCl and NaOH,also write the chemical equation if reaction occurs.
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Answer: Hydrogen gas and zinc sulphate are formed when zinc granules are treated with sulphuric acid.
Zn + H2SO4 ⇨ ZnSO4 + H2
Zinc chloride and hydrogen gas are formed, when zinc granules are treated with hydrochloric acid.
Zn + 2HCl ⇨ ZnCl2 + H2
Similarly, hydrogen gas and zinc nitrate are formed when zinc granules are treated with nitric acid.
Zn + 2HNO3 ⇨ Zn(NO3 )2 + H2
Since, zinc is less reactive than sodium, thus no reaction takes place when zinc granules are treated with sodium chloride.
Sodium zincate and hydrogen gas are formed when zinc granules are treated with sodium hydroxide and water.
Zn + 2H2O + 2NaOH ⇨ Na2Zn(OH)4 + H2
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