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Activity 3.10 — Reactivity Series
NCERT Activity 3.10: Place metal strips in salt solutions and observe displacement reactions. Build the reactivity series: Al > Zn > Fe > Cu.
How To Perform
1
Al in CuSO₄
Aluminium displaces copper from blue CuSO₄ — brown Cu deposits, solution fades.
2
Zn in CuSO₄
Zinc displaces copper — brown Cu deposits, solution fades to colourless.
3
Fe in CuSO₄
Iron displaces copper — brown Cu deposits, solution turns pale green.
4
Cu in FeSO₄
Copper does NOT displace iron — no reaction (Cu is below Fe).
5
Al in FeSO₄
Aluminium displaces iron from pale green FeSO₄ — Fe deposits, solution fades.
⚠️ Safety Notes
- •Handle salt solutions carefully — avoid splashing.
- •Wash hands after handling metal samples and solutions.