what happens when zinc granules are treated delute solutions of H2So4, HCI, HNO3, NACL, naoh also write chemical equation in each case if reaction occurs

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Solution

1) Zn granule with H₂SO₄
Zn + H₂SO₄ ---------> ZnSO₄ + H₂
2) Zn granules with HCl
Zn + 2HCl ---------> ZnCl₂ + H₂
3) Zn granules with nitric acid
Zn + 2HNO₃ ----------> Zn(NO₃)₂ + H₂
4) Zn granules with NaCl
No reaction will take place as Zn is placed below Na in the activity series. Hence it cannot displace Na from its salt
5) Zn granules with NaOH
This reaction with occur only with hot and concentrated solution of NaOH.
Zn + 2NaOH ----> Na₂ZnO₂ + H₂

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What happens when a piece of

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(b) aluminium metal is added to dilute hydrochloric acid?

Also, write the balanced chemical equation if the reaction occurs.

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Also, write the balanced chemical equation if the reaction occurs.

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