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Answer the following questions related to the electrolytic reduction of pure Alumina by Hall Heroult's process. (a) The reaction occurring at the anode. (b) The reaction occurring at the cathode.
Give the chemical formula of the following ores: (a) Cryolite (b) Haemetite
Write the balanced equations for the following reactions: (a) Potassium bicarbonate reacts with dilute HCl. (b) Laboratory preparation of ethane using soda lime. (c) Warm water is added to Aluminium nitride.
Nitrogen and hydrogen combine in the presence of a catalyst to give ammonia gas. With reference to the above reaction: (a) Name the catalyst used. (b) At what temperature does the above reaction occur? (c) What optimum pressure should be maintained during the reaction?
Seema added a few pieces of copper turnings to a test tube containing concentrated acid P and she noticed that a reddish-brown gas evolved.
Answer the following questions with reference to the concentration of bauxite ore.
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