Which procedure would best allow a scientist to observe a chemical property of hydrochloric acid (HCI) solution?

Chemistry

2 answers:

makkiz [27]4 years ago

6 0

Effervescence of h2 gas will be produced which burns off a glowing split with a pop sound when hcl reacts with a base

ss7ja [257]4 years ago

4 0

Answer:

Adding a piece of Zn

Explanation:

Adding zinc (Zn) to a hydrochloric (HCl) solution will prove its acidity with a redox reaction:

$Zn(s) + 2H^+(aq) \longrightarrow Zn^{+2}(aq) + H_2(g)$

This reaction can be confirmed, by the observation of little bubbles in the surface of the metal: that bubbles are the hydrogen gas generated.

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