Answered

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Which element reacts spontaneously with 1.0M HCl (aq) at room temperature?

(1) copper (3) silver

(2) gold (4) zinc

Sagot :

pyromorphite
(4) zinc.................
sairah
(4) Zinc is correct answer. Others don't react at room temperature with HCl because their reactivity (capability to react) is quite low.
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