Question no 3

Question no 3 Name a non-metal that has metallic lustre and heating. Ans. (i) Galv anising (n) Icxdine [ICSE Q.3. Alumiruum is extracted from its chief ore. bauxite. ore is first and then the nwtal is extracted from it by reduction. thr— balanced equati«n puHic•tim bauxite by Bayer's prex•—. aluminium oxide. (Y an equation for the reacticm which take place at the anode during extraction of aluminium by the electrolytic process. Mention a reason for the use oi alum•nium in thermite welding. tlCSE A. 0) • 2NaAIO, (iil) Ans. (1)

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