(a) A to F below relate to the source and extraction of either zinc o

1.	(a) A to F below relate to the source and extraction of either zinc or aluminium: A.Bauxite, B.Coke, C. Cryolite D.Froth floatation, E.Sodium hydroxide solution, F.Zinc blende. (i) Write down the three letters each from the above list which are relevant to: 1.Zinc, 2.Aluminium. (ii) Fill in the blanks using the most appropriate words form A to F. 1.The ore from which aluminium is extracted must first be treated with ...................so that pure aluminium oxide can be obtained. 2.Pure aluminium oxide is dissolved in .............. to make a conducting solution. (iii) Write the formula of cryolite.
Answer» (a) A to F below relate to the source and extraction of either zinc or aluminium: A.Bauxite, B.Coke, C. Cryolite D.Froth floatation, E.Sodium hydroxide solution, F.Zinc blende. (i) Write down the three letters each from the above list which are relevant to: 1.Zinc, 2.Aluminium. (ii) Fill in the blanks using the most appropriate words form A to F. 1.The ore from which aluminium is extracted must first be treated with ...................so that pure aluminium oxide can be obtained. 2.Pure aluminium oxide is dissolved in .............. to make a conducting solution. (iii) Write the formula of cryolite.

(a) A to F below relate to the source and extraction of either zinc or aluminium: A.Bauxite, B.Coke, C. Cryolite D.Froth floatation, E.Sodium hydroxide solution, F.Zinc blende. (i) Write down the three letters each from the above list which are relevant to: 1.Zinc, 2.Aluminium. (ii) Fill in the blanks using the most appropriate words form A to F. 1.The ore from which aluminium is extracted must first be treated with ...................so that pure aluminium oxide can be obtained. 2.Pure aluminium oxide is dissolved in .............. to make a conducting solution. (iii) Write the formula of cryolite.

Answer»

(a) A to F below relate to the source and extraction of either zinc or aluminium:

A.Bauxite, B.Coke,

C. Cryolite D.Froth floatation, E.Sodium hydroxide solution, F.Zinc blende.

(i) Write down the three letters each from the above list which are relevant to:

1.Zinc, 2.Aluminium.

(ii) Fill in the blanks using the most appropriate words form A to F.

1.The ore from which aluminium is extracted must first be treated with ...................so that pure aluminium oxide can be obtained.

2.Pure aluminium oxide is dissolved in .............. to make a conducting solution.
(iii) Write the formula of cryolite.