A to F below are related 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
Write the formula of cryolite.

A to F below are related 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 Write down the three letters each from the list above, which are relevant to : 1. Zinc 2. Aluminium

A to F below are related 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 Write down the three letters each from the list above, which are relevant to : Aluminium

A to F below are related 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 The ore from which aluminium is extracted must first be treated with ............ so that pure aluminium oxide is obtained.

A to F below are related 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 Pure aluminium oxide is dissolved in to make a conducting solution.

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.

Aluminium is extracted from bauxite by the electrolysis of aluminium oxide dissolved in cryolite. Now answer the following question: Write the formula of cryolite.

The main ore used for the extraction of iron is: (a)Haematite (b)Calamine (c)Bauxite (d)Cryolite

For each of the substance listed below, describe the role played in the extraction of aluminium. (1) Cryolite (2) Sodium hydroxide (3) Graphite.

Aluminium is extracted from bauxite by the electrolysis of aluminium oxide dissolved in cryolite. Now answer the following question: When bauxite is treated with sodium hydroxide solution, what happens to the aluminium oxide and iron (III) oxide?

List below gives salts solutions to be prepared in laboratory. (A) Sodium chloride solution. (B) Sodium sulphate solution. (C) Lead nitrate solution. Write balanced chemical equations for their preparation using the reactants given below : Solution A from sodium hydroxide solution nd dilute hydrochloric acid. Solution B from sodium hydroxide solution and dilute sulphuric acid. Solution C from lead carbonate and dilute nitric acid.