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Study of the First Element - Hydrogen — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYStudy of the First Element - Hydrogen1 Mark
Question
Select the odd one out and justify your answer.
Fe, Pb, Al and Zn
✓

Answer

Pb
Lead reacts with dilute sulphuric acid or HCl and forms an insoluble coating of lead sulphate or lead chloride.
The others react with dilute sulphuric acid or HCl to liberate hydrogen.

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