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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.
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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.
