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A to F below relate to the source & extr...

A to F below relate to the source & extraction of either Zinc or Aluminium.
A: Bauxite, B: Coke, C : Cryyolite, D : Froth flotation, E : Sodium hydroxide solution, F: Zinc blende.
(i) Write down the three letters each from the above list which are relevant to - Aluminium
(ii) Fill in the blanks using the most appropriate words from A to F : (a) The ore from which aluminium is extracted must first be treated with ______________so that pure Aluminium oxide can be obined. (b) Pure Aluminium oxide is dissolved in _____________ to make a conducting solution
(iii) Write the formula of Cryolite.

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