why h2so4 is used in potash alum
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Answered by
3
hyy..
because
Because in starting Aluminium reacts with H2SO4 to form Al(OH)3 and then on further reaction with dilute H2SO4 it dissolves.
hope it helps
because
Because in starting Aluminium reacts with H2SO4 to form Al(OH)3 and then on further reaction with dilute H2SO4 it dissolves.
hope it helps
Answered by
4
Diluted sulfuric acid is added in the preparation of potash alum to prevent hydrolysis of the salt (aluminium sulphate). It helps to dissolve aluminium sulphate in warm water.
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