| The lustre of the surface of the aluminium utensils in the house is lost after a few days. Why does this happen? |
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| → When aluminium utensils are kept in the house for a few days, aluminium gets oxidised to form aluminium oxide (Al2O3). A thin layer of aluminium oxide is formed on the surface of the utensils. Thus, they lose their lustre after a few days. 1 Mark |
This page was last modified on
10 August 2019 at 05:09