A to F below relate to the source and extraction of either zinc or aluminium.A. bauxiteB. cokeC. cryoliteD. froth flotationE. sodium hydroxide solutionF. zinc blende.(a) Write down the three letters each from the above list which are relevant to:(i) zinc(ii) aluminium(b) Fill in the blanks using the most appropriate words from A to F:(i) The ore from which aluminium is extracted must first be treated with _________ so that pure aluminium oxide can be obtained.(ii) Pure aluminium oxide is dissolved in _________ to make a conducting solution.(c) Write the formula of cryolite.

A to F below relate to the source and extraction of either zinc or alu

1.	A to F below relate to the source and extraction of either zinc or aluminium.A. bauxiteB. cokeC. cryoliteD. froth flotationE. sodium hydroxide solutionF. zinc blende.(a) Write down the three letters each from the above list which are relevant to:(i) zinc(ii) aluminium(b) Fill in the blanks using the most appropriate words from A to F:(i) The ore from which aluminium is extracted must first be treated with _________ so that pure aluminium oxide can be obtained.(ii) Pure aluminium oxide is dissolved in _________ to make a conducting solution.(c) Write the formula of cryolite.
Answer» A to F below relate to the source and extraction of either zinc or aluminium. A. bauxite B. coke C. cryolite D. froth flotation E. sodium hydroxide solution F. zinc blende. (a) Write down the three letters each from the above list which are relevant to: (i) zinc (ii) aluminium (b) Fill in the blanks using the most appropriate words from A to F: (i) The ore from which aluminium is extracted must first be treated with _________ so that pure aluminium oxide can be obtained. (ii) Pure aluminium oxide is dissolved in _________ to make a conducting solution. (c) Write the formula of cryolite.