1.

Class X Sciences [papers from previous years] Classify the following reactions into slow and fast reaction: (i) Reaction between an acid and a base (ii) Rusting of iron

Answer»

t reaction. E.g.: When we mix HCL to NaOH, then the PRODUCTS- H2O and NaCl are FORMED IMMEDIATELY.(ii) Slow reaction. It take a long time for Fe to turn into rust (Fe2O3.xH2O), due to the ACTION of H2O vapour and CO2 in the air.



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