Description: Samples of different metals (Fe, Zn, Mg) are immersed in conc HCl. The temperature rise is measured and observed to be different in each case; gas evolution is observed.

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Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry

Year or vol: 1 page: 25

Keywords: Iron, Exothermic, Hydrochloric Acid, Zinc