Question

illustrate an activity to investigate whether all compounds containing hydrogen acidic.

Answer 1

if there is more presence of hydrogen then the compound will be more acidic.
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Answer 2

Take two beakers one containing HCl acid and the other containing hydrogen but its not an acid for ex., alcohol. In this solution, now two nails are connected on a cork and they are connected with 6 V battery. Switch on this battery, a bulb in the circuit containing HCl is glowing whereas alcohol does not. This shows that acid gets dissociated as H+ and Cl- ions, and these ions are responsible for the conductance and alcohol does not. So all acid has hydrogen and all hydrogen containing compounds are not acid.

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