Question

What are the functions of potassium hydroxide and tetraoxosulphate 6 acid and heated iron filing in the preparation of nitrogen from air.
Describe the commercial preparation of nitrogen.
Both hydrogen sulphide and sulphur 4 oxide decolourise acidified potassium tetraoxomanganate 7 solution.
A.write the chemical equation for these reaction.
B.state the main difference in the action of these gases on acidified KMNO4 solution

Answer 1

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Answer 2

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Answer 3

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