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Question
which statement would indicate the presence of an acid? it does not react with active metals it tastes bitter. it reacts with active metals to form a gas. it does not change the color of litmus paper.
Los ácidos reaccionan con metales activos (como el zinc, el magnesio) para liberar hidrógeno (gas). Por ejemplo, \(Zn + 2HCl
ightarrow ZnCl_2 + H_2\uparrow\). Los ácidos no son amargos (los líquidos amargos suelen ser bases), cambian el color del papel de litmus (el papel de litmus azul se torna rojo en presencia de ácidos) y sí reaccionan con metales activos.
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It reacts with active metals to form a gas.