give the name of three element which can be used to liberate hydrogen gas and three which can not evolve hydrogen gas from dilute H2SO4 solution
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Sodium, potassium and calcium can liberate hydrogen gas from dilute sulphuric acid.
Gold, silver and copper cannot liberate hydrogen gas from dilute sulphuric acid.
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Potassium, Sodium, and Calcium can liberate hydrogen from dilute H2SO4 solution.
The elements which are below hydrogen in the reactivity series such as gold, silver, mercury cannot liberate hydrogen from dilute H2SO4.
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